Vater's papilla | definition of Vater's papilla by Medical dictionary Vater's papilla | definition of Vater's papilla by Medical dictionary Related to Vater's papilla: major duodenal papilla papilla a small, nipple-shaped projection or elevation. adj., adj pap´illary. circumvallate papilla 1. vallate papilla . 2. one of the papillae in the area next to a vallate papilla. conical papilla one of the sparsely scattered elevations on the tongue, often considered to be modified filiform papillae. papillae of corium conical extensions of the fibers, capillary blood vessels, and sometimes nerves of the corium into corresponding spaces among downward- or inward-projecting rete ridges on the undersurface of the epidermis. dental papilla (dentinal papilla) the small mass of condensed mesenchyme capped by each of the enamel organs.

duodenal papilla either of the small elevations (major and minor) on the mucosa of the duodenum, the major at the entrance of the conjoined pancreatic and common bile ducts, the minor at the entrance of the accessory pancreatic duct. filiform papilla one of the threadlike elevations covering most of the tongue surface. foliate papilla one of the parallel mucosal folds on the tongue margin at the junction of its body and root. fungiform papilla one of the knoblike projections of the tongue scattered among the filiform papillae. gingival papilla the triangular pad of the gingiva filling the space between the proximal surfaces of two adjacent teeth. hair papilla the fibrovascular mesodermal papilla enclosed within the hair bulb. incisive papilla an elevation at the anterior end of the raphe of the palate. lacrimal papilla an elevation on the margin of either eyelid, near the medial angle of the eye. lingual papillae elevations on the surface of the tongue, containing the taste buds; the conical, filiform, foliate, fungiform, and vallate papillae. mammary papilla nipple (def. 1).

papilla pi´li hair papilla . renal papilla the blunted apex of a renal pyramid . tactile papilla tactile corpuscle . urethral papilla a slight elevation in the vestibule of the vagina at the external orifice of the urethra. vallate papilla one of the 8 to 12 large papillae arranged in a V near the base of the tongue. papilla of Vater (Vater's papilla) major duodenal papilla . pa·pil·la [L. a nipple, dim. of papula, a pimple] papilla papilla of corium dermal p. dental papilla , dentinal papilla a small mass of condensed mesenchyme in the enamel organ; it differentiates into the dentin and dental pulp. dermal papilla any of the conical extensions of the fibers, capillary blood vessels, and sometimes nerves of the dermis into corresponding spaces among downward- or inward-projecting rete ridges on the undersurface of the epidermis.

duodenal papilla either of two small elevations on the mucosa of the duodenum, the major at the entrance of the conjoined pancreatic and common bile ducts and the minor at the entrance of the accessory pancreatic duct. filiform papillae threadlike elevations covering most of the tongue surface. foliate papillae parallel mucosal folds on the tongue margin at the junction of its body and root. fungiform papillae knoblike projections of the tongue scattered among the filiform papillae. gingival papilla the cone-shaped pad of gingiva filling the space between the teeth up to the contact area. hair papilla the fibrovascular mesodermal papilla enclosed within the hair bulb. incisive papilla an elevation at the anterior end of the raphe of the palate. papilla pi´li hair p. renal papillae the blunted apices of the renal pyramids. tactile papilla see under corpuscle . urethral papilla a slight elevation in the vestibule of the vagina at the external orifice of the urethra. vallate papillae eight to twelve large papillae arranged in a V near the base of the tongue.

papilla (pə-pĭl′ə) n. pl. pa·pillae (-pĭl′ē) 1. A small nipplelike projection, such as a protuberance on the skin, at the root of a hair or feather, or at the base of a developing tooth. 2. One of the small, round or cone-shaped protuberances on the top of the tongue that contain taste buds. 3. A pimple or pustule. 4. Botany A minute projection on the surface of a stigma, petal, or leaf. pap′il·lar′y (păp′ə-lĕr′ē, pə-pĭl′ə-rē) adj. pap′il·late′ (păp′ə-lāt′, pə-pĭl′ĭt) adj. pap·il·lose (păp′ə-lōs′, pə-pĭl′ōs′) adj. papilla [pəpil′ə] pl.

papillae Etymology: L, nipple 1 a small nipple-shaped projection, such as the conoid papillae of the tongue and the papillae of the dermis that extend from collagen fibers, the capillary blood vessels, and sometimes the nerves of the dermis. 2 the optic papilla, a round white disc in the fundus oculi, which corresponds to the entrance of the optic nerve. Also called urethral papilla . pa·pil·la , pl. papillae (pă-pil'ă, -ē) [TA] Any small, nipplelike process. [L. a nipple, dim. of papula, a pimple] papilla A small, nipple-like projection. papilla (pl. papillae) a projection from the surface of a structure; for example, tongue papillae, which carry the taste buds. tactile papilla skin papilla containing a touch-modulating sensory nerve ending (e.g. Merkel disc, Meissner corpuscle) papilla Any small elevation shaped like a nipple. Plural: papillae. See conjunctival follicle .

Bergmeister's papilla A cone-shaped, sheath of glial cells (astrocytes) and connective tissue covering the hyaloid artery formed during embryonic development over the optic disc and projecting into the vitreous humour. It usually atrophies before term but in some individuals it persists and a proliferation of glial cells form a glial veil. It may obscure the full view, or usually only part, of the optic disc and may sometimes suggest a disc tumour but it is in fact benign, stable and does not interfere with vision. See hyaloid remnant . lacrimal papilla See lacrimal papilla . papilla lacrimalis See tubercle lacrimal. optic papilla See optic disc . pa·pil·la , pl. papillae (pă-pil'ă, -ē) [TA] Any small, nipplelike process. [L. a nipple, dim. of papula, a pimple] papilla(e) (pəpil´ə), n a small, nipple-shaped elevation. Papillae. n the elevation of soft tissue covering the foramen of the incisive or nasopalatine canal.

papilla, retrocuspid, n benign nodules of the gingival tissues that occur lingual to the mandibular canines. These nodules are distinguished at a microscopic level by stellate fibroblasts within the fibrous connective tissue. Found in young adults and children, they are considered to be a normal variation of healthy tissue and should not be biopsied. papilla(e), interproximal, n the cone-shaped projection of the gingiva filling the interdental spaces up to the contact areas when viewed from the labial, buccal, and lingual aspects. When viewed buccolingually or labiolingually, the crest of the interproximal papilla appears as a rounded concavity at an area below the contact point of the teeth. If recession has occurred, this concavity may become an area of pathology, and the entire papilla may require reshaping to restore health. Older term: interdental papilla(e). n See cell, central of the dental papillae. papillae, circumvallate lingual n the small projections located at the posterior of the tongue.

These projections form a V-shaped pattern located just anterior to the sulcus terminalis of the tongue. The number of circumvallate papillae varies between three and fourteen. These papillae contain taste buds along their lateral walls. papillae, lingual, n the small epithelial protuberances on the dorsal surface of the tongue. There are four types: circumvallate papillae, filiform papillae, foliate papillae, and fungiform papillae. papillae, outer cell of the dental, n See cell, outer, of the dental papillae. papillae, parotid n.pl tiny tissue projections located on the inner portion of the buccal mucosa near the maxillary second molar that protect the parotid duct. papilla pl. papillae [L.] a small, nipple-shaped projection or elevation. buccal papilla see under dental, conical, lingual etc. papilla (below). circumvallate papilla vallate papilla. conical papilla one of the sparsely scattered fleshy elevations on the tongue or lining the cheeks of cattle.

papilla of corium conical extensions of the fibers, capillary blood vessels, and sometimes nerves of the corium into corresponding spaces among downward- or inward-projecting rete ridges on the undersurface of the epidermis. Special papillae coriales occur on the sensitive corium of the frog of the horse's hoof. dental papilla, dentinal papilla the small mass of condensed mesenchyme capped by each of the enamel organs in a developing tooth. dermal papilla finger- and ridge-like projections of the dermis which interdigitate with similar depressions in the epidermis. duodenal papilla either of the small elevations (major and minor) on the mucosa of the duodenum, the major at the entrance of the conjoined pancreatic and common bile ducts, the minor at the entrance of the accessory pancreatic duct. filiform papilla one of the short threadlike elevations covering most of the tongue surface. In cats and cattle they are heavily cornified to give a rasping tongue. foliate papilla one of the parallel mucosal folds on the tongue margin at the junction of its body and root, best developed in the horse and pig but rudimentary or absent from other domestic animals.

fungiform papilla one of the knob-like projections of the tongue scattered among the filiform papillae. gingival papilla the triangular pad of the gingiva filling the space between the proximal surfaces of two adjacent teeth. hair papilla the fibrovascular mesodermal papilla enclosed within the hair bulb. ileal papilla papilla carrying the terminal orifice of the ileum and its entrance to the large bowel. incisive papilla an elevation at the anterior end of the raphe of the palate onto which the incisive ducts open. lacrimal papilla see lacrimal punctum. lingual papilla elevations on the surface of the tongue, containing the taste buds; the conical, filiform, foliate, fungiform and vallate papillae. major duodenal papilla the papilla in the duodenum for the common opening of the bile duct and the pancreatic duct. mammary papilla the teat or nipple of the mammary gland. marginal tongue papilla temporary filiform papillae in puppies, piglets and kittens which are thought to facilitate sucking. optic papilla papillae on the distal ends of the sensitive laminae of the hoof.

tongue papilla small projections from the mucous membrane of the tongue that include filiform, lenticular, fungiform, foliate and vallate papillae; most are to assist in grooming, food prehension and movement; some carry orifices for glands and others for taste. papilla unguiculiformes horny claw-shaped papillae at the reticulo-omasal orifice. urethral papilla a slight elevation in the vestibule of the vagina at the external orifice of the urethra. vallate papilla one of the eight to 12 large circular papillae arranged in a V near the base of the tongue. papilla of Vater, Vater's papilla major duodenal papilla. wool papilla as for hair papilla (above). What is the Circumvallate Papillae? (with pictures) What is the Circumvallate Papillae? Last Modified Date: 12 December 2016 Copyright Protected: Top 10 unbelievable historical concurrencies Every human tongue has circumvallate papillae, a series of circular bumps characterized by surrounding moats.

The tongue is the major organ for taste, and these structures serve as its taste buds, making it an essential part of the gustatory system. They are also known as vallate papillae. The circumvallate papillae, usually numbering between eight and 14, are located at the back of the tongue. The area is divided by the median sulcus , and the bumps lay on both halves. At the front are the concavity called the foramen cecum and the sulcus terminalis, named so because this is where the median sulcus ends. This means that there are two rows of papillae. These tastebuds are usually described as truncated cones about 0.04 to 0.08 inches (1 or 2 millimeters) in size, with their larger ends exposed and the smaller ends attached to the tongue. At their base are circular ditches usually referred to as moats, each of which have walls called vallum. They are actually named after such a feature. This particular set of circular bumps is considered a protrusion of mucous membrane.

This is a lining that can be found in several parts of the body, including the eyelids, ears, mouth, lips and nostrils. The circumvallate papillae are covered by squamous epithelium, a layer of tissue characterized by squamous cells, which are shaped like scales. Ad The circumvallate papillae are usually associated with Von Ebner's glands, or gustatory glands. Named after 19th-century Austrian anatomist and histologist Anton Gilbert Victor von Ebner, Ritter von Rosenstein, these glands can be found surrounding the papillae. They are known to secrete a digestive enzyme called lingual lipase. When secreted, the lingual lipase enters the ditches and cleanses them to induce a more rapid stimuli response. The enzyme of Von Ebner's glands is also instrumental in the hydrolysis, or decomposition with water, of triglycerides into monoglycerides and free fatty acids. The vallate papillae is one of the four types of papilla found in the tongue. At the sides of them are the foliate papillae, which resemble leaves in their folded appearance.

Ungiform papillae are located at the tongue's tip and sides, and they are named for their distinctive mushroom shape. Although the filiform papillae do not have taste buds, they are the most abundant of the tongue's bumps, resembling V-shaped cones. Ad Video: Lingual papillae | Kenhub Lingual papillae Show transcript Hello everyone! It's Megan from Kenhub, and welcome to our tutorial on the lingual papillae. During this tutorial, we'll go over the anatomy and function of the different structures we can see in this image. So some of these structures include the filiform papillae, the vallate papillae, the fungiform papillae, the taste buds, the lingual tonsil and some associated glandular tissue. The only papillae we can't see in this image are the foliate papillae, however, they're located on the sides of the tongue and we're going to go through them later on in this tutorial. So, to start with, let me give you a bit of an introduction on the lingual papillae. The lingual papillae are located on the dorsum or the upper surface of the tongue which we can see here.

They are only located on the presulcal part of the tongue which is the part of the tongue anterior to the sulcus terminalis. The sulcus terminalis is this V-shaped groove highlighted in green and it separates the anterior two-thirds of the tongue from the posterior third. The dorsum of the tongue is covered by mucosa and the lingual papillae are essentially projections of this mucosa that gives the tongue its rough surface. So here we can see the sulcus terminalis with the vallate papillae sitting anterior to it. The sulcus terminalis divides the root of the tongue from the body of the tongue. There are four types of lingual papillae – the filiform papillae, the fungiform papillae, the foliate papillae and the vallate papillae. All of these papillae bear taste buds except for the filiform papillae which we are going to discuss first. So we're going to have a closer look at the filiform papillae by looking at this microscopic image of the tongue. The filiform papillae are these cone-shaped projections here but they can also take a cylindrical shape.

They cover most of the presulcal area of the dorsum of the tongue and they're the most numerous of the lingual papillae. The main function of the filiform papillae is to increase the friction between food and the tongue and facilitate movement of particles by the tongue. As stated previously, these papillae don’t contain taste buds, therefore, they don’t participate in taste perception. So, now, let's look at the fungiform papillae. The fungiform papillae are more sparse than the filiform papillae and are larger and rounded in shape. In fact, their name relates to their mushroom-like shape that you can see here. They are mostly found on the tip and the sides of the tongue and contain taste buds on their upper surface. The third type of papillae we will look at today are the foliate papillae. The foliate papillae are vertical folds that are located bilaterally on the sides of the tongue near the sulcus terminalis. They can be described as leaf-like ridges of mucosa and they contain numerous taste buds. The foliate papillae are not very abundant in the human tongue.

So, now, we'll look at our fourth and final type of papillae – the vallate papillae. These papillae can also be referred to as the circumvallate papillae. The vallate papillae form a V-shaped row anterior to the sulcus terminalis. There are usually between eight and twelve of this type of papillae and, on this image, there are ten of them. If we have a closer look at these papillae, we can see that they're cylindrical structures and they're surrounded by this mucosal elevation or so-called wall. If we zoom in even further, we can see that the vallate papillae is separated from its wall by a circular sulcus here. This circular sulcus is known as the sulcus of papilla. So, now, let's move on to look at the taste buds. As I said before, the taste buds are located on all of the lingual papillae except for the filiform papilla. They are also located on most of the dorsal and lateral surfaces of the tongue and occasionally on the soft palate and epiglottis.

Most of the taste buds are located around the area of the vallate papillae just anterior to the sulcus terminalis. Taste buds contain taste receptors or gustatory receptors which interact with the chemicals in food to produce an action potential. Each taste receptor has the potential to one or more of the main categories of taste sensation. The categories of taste are considered to be sweet, salty, sour, bitter, and umami which is a Japanese translation for pleasant savory taste. Taste is one of the five main human senses and along with smell, it helps us determine the flavor of food. Taste is brought to the brainstem by three different cranial nerves – the facial nerve specifically the chorda tympani for the anterior two-thirds of the tongue and the soft palate, the glossopharyngeal nerve for the posterior third of the tongue, and the vagus nerve for the epiglottis. The next structure we will look at are the gustatory glands. The gustatory glands are also commonly known as Von Ebner's glands. These glands are salivary glands that are found around the vallate papillae and secrete a serous fluid. This fluid begins lipid hydrolysis and facilitates the perception of taste.

Their location around the vallate papillae is important as it provides a continuous fluid over the high concentration of taste buds, which dissolves the food particles so they can interact with the taste receptors. This fluid also keeps the cleft created by the sulcus of papilla flushed to allow for the next taste. So, in this image, we can see the Von Ebner's glands located inferiorly to the vallate papilla. There are some other glands we can see in this image here and these are known as the posterior lingual glands or the glandula radicis linguae. The posterior lingual glands are located in the root of the tongue which is the area of the tongue posterior to the sulcus terminalis. These glands secrete mainly mucous fluid. So I mentioned serous fluid when relating to the Von Ebner's glands and mucus fluid relating to the posterior lingual glands. I feel like here is worth distinguishing between the two. So, serous fluid is a thin watery secretion that contains protein such as the enzyme amylase and ions. Mucus is a much more thicker secretion. It contains glycoproteins, proteins and lipids.

So another structure that we can see in this image is the lingual tonsil. The lingual tonsil is a small mound of lymphatic tissue located at the back of the tongue. There is one lingual tonsil on each side of the tongue and they assist the immune system in preventing infection. Within the lingual tonsil, there are lymphoid nodules which we can see here highlighted in green. They contain B and T lymphocytes. These lymphocytes get activated when bacteria and viruses come in contact with the tonsils. The B lymphocytes produce antibodies against the pathogens whereas the T lymphocytes kill them by engulfing them. The lingual tonsil is covered by stratified squamous epithelium that invaginates inward to form a tonsillar crypt. The posterior lingual glands are these glands that we mentioned earlier secrete mucus fluid into the crypt which keeps it clean and less prone to infection. To conclude this tutorial, we'll go over some clinical notes related to some of the structures that we've looked at today. In some conditions, lingual papillae can be lost and this is called depapillation. This leaves a smooth red and sometimes tender tongue.

Some diseases that cause depapillation include geographic tongue, median rhomboid glossitis, and nutritional deficiencies. The term glossitis is often used to refer to depapillation. Transient lingual papillitis is an inflammatory condition that affects the fungiform papillae. It presents as a single painful white bump usually near the tip of the tongue and is usually self-resolving within a few days but can recur months or years later. The reduced ability to taste things is called hypogeusia whereas the complete lack of taste is known as ageusia. Dysgeusia is the distortion of the sense of taste. Hypogeusia and dysgeusia are commonly caused by zinc deficiency and certain drugs such as chemotherapy agents. These conditions must be differentiated from changes to sense of smell as these can also alter taste sensation. Ageusia can be caused by damage to the nerves that carry taste sensation to the brainstem especially the chorda tympani and the glossopharyngeal nerve. Like other types of tonsils, the lingual tonsils can also get inflamed and this is known as lingual tonsillitis.

Lingual tonsillitis can cause pain, redness, fever and dysphagia which means difficulty swallowing. It is usually caused by bacteria so antibiotics are often prescribed, although viruses can also cause it. Hypertrophy of the lingual tonsils can cause airway obstruction and sleep apnea. Treatment usually involves lingual tonsillectomy or removal of the tonsils. Lingual tonsillectomy may also be indicated if the lingual tonsils become cancerous. The two main types of cancer that affect the lingual tonsils are squamous cell carcinoma and lymphomas. Risk factors include human papilloma virus, smoking, and alcohol. And that brings us to the end of this tutorial. I hope you enjoyed it and thank you for listening. Now that you just completed this video tutorial, then it’s time for you to continue your learning experience by testing and also applying your knowledge. There are three ways you can do so here at Kenhub. The first one is by clicking on our “start training” button, the second one is by browsing through our related articles library, and the third one is by checking out our atlas. Now, good luck everyone, and I will see you next time.

Continue your learning Enlarged Papillae - Pictures, Symptoms, Causes, Treatment Enlarged Papillae Treatment What are Enlarged Papillae? Papillae are small growths that appear on the surface of your tongue naturally. Although all not all papillae contain taste buds the ones found on your tongue do. In fact, the papillae on your tongue are usually called your taste buds. There are many different types of papillae and there are times that they do seem to be enlarged. The four types of papillae that are associated most often with your taste buds and have nerve endings that send messages to your brain about what type of food you are eating. Enlarged Papillae Types These four types of papillae are: Fungiform papillae On the surface of your tongue they are scattered around but most are located on the sides and apex of your tongue. They have nothing to do with fungus but are all that because of their shape which is the shape of a mushroom. These papillae detect sour and sweet tastes. Foliate papillae These papillae are found on the sides of your tongue and have an elongated fold.

They are the ones that detect a sour taste Filiform papillae These papillae are thin, long, and V-shaped. They are also the type that is the most numerous and give your tongue the abrasive coating. It is the papillae that detect a sour taste. Circumvallate papillae These are papillae that detect a bitter taste and can be found in the back part of your tongue, arranged in a V-form that heads toward your throat. On average you will have from ten to fourteen of this type of papillae. Symptoms There are many different reasons that a person would have enlarged papillae which can include: Advertisement Happening naturally as you get older Excessively smoking which can cause the tongue to become irritated Having canker sores which can appear for no known cause but the canker sores can be more severe if you are under stress a lot. GERD Having ulcerative colitis Having an infection from some type of trauma that can include eating something spicy or hot and scalding your tongue, eating foods that are very acidic, or biting your tongue.

Enlarged Papillae Pictures Photos, Images and Pictures collection of Enlarged Papillae… Treatment Before your enlarge papillae can be treated you will need to know what has caused them so you can use the right treatment. Some of the treatments can include: Stop smoking Making sure that you are practicing good oral hygiene. When you are brushing and flossing your teeth make sure that you brush your tongue also. Eating a diet that is healthy Trying to avoid any foods that are too hot, spicy, or acidic If you are having pain with your enlarged papillae gargle with salt water or with a mouth rinse to help relieve the pain. Being careful when chewing or talking to help prevent biting your tongue Having your dentist smooth down your teeth if you have sharp teeth so you will not scratch your tongue causing enlarged papillae Increasing your intake of vitamins B 2, 1, 6, and 12 either by eating foods that contain these vitamins, taking vitamin B supplements or a combination of both. Doing this will help you manage any mouth ulcers or cold sores you might have. In order to help balance the bacteria in your body you should eat yogurt every day and also increase the amount of dairy products you consume daily.

Taking an iron supplement daily or eating foods that are natural sources of iron If you are wearing dentures make sure that fit your mouth correctly. Related posts Circumvallate papillae large papillae arranged in a - BCS - 3003 Circumvallate papillae large papillae arranged in a SCHOOL View Full Document This is the end of the preview. Sign up to access the rest of the document. Unformatted text preview: Circumvallate papillae large papillae arranged in a &quot;V&quot; shape. Fungiform papillae are mushroom shaped. Foliate papillae are not well developed in man and are seen on the edges of the tongue. Taste buds are found on cicumvallate, fungiform, and foliate papillae. 1. Which cranial nerve is responsible for taste to the posterior 1/3 of the tongue? a. V b. VII c. IX d. X e. XII Answer: c 2. Which cranial nerve to the tongue is responsible for movement? a. V b. VII c. IX d. X e. XII Answer: e 3.

Which cranial nerve is responsible for general sensation to the anterior 2/3 of the tongue? a. V b. VII c. IX d. X e. XII Answer: a 4. Which cranial nerve is responsible for taste to the anterior 2/3 of the tongue? a. V b. VII c. IX d. X e. XII Answer: b 5. Which cranial nerve is responsible for general sensation to the posterior 1/3 of the tongue? a. V b. VII c. IX d. X e. XII Answer: c Cranial nerve V (trigeminal nerve) is responsible for general sensation to the anterior 2/3 of the tongue. Cranial nerve VII (facial nerve) is responsible for taste sensation from the anterior 2/3 of the tongue. Cranial nerve IX (glossopharyngeal nerve) is responsible for taste sensation from the posterior 1/3 of the tongue. Cranial nerve IX is also responsible for general sensation from the posterior 1/3 of the tongue.

Cranial nerve XII (hypoglossal nerve) innervates the muscles of the tongue thereby eliciting movement of the tongue. 6. What covers the tooth that is embedded within the jaw? a. Pulp cavity b. Dentin c. Dental pulp d. Cementum e. Enamel Answer: d The central portion of a tooth is the pulp cavity. The pulp cavity is surrounded by dentin. Within the pulp cavity is a soft tissue, called dental pulp. Cementum covers the part of the tooth that is within the jaw. Enamel covers the part of the tooth within the oral cavity. 7. What is within the pulp cavity? a. Pulp cavity b. Dentin c. Dental pulp d. Cementum e. Enamel Answer: c The central portion of a tooth is the pulp cavity. The pulp cavity is surrounded by dentin. Within the pulp cavity is a soft tissue, called dental pulp. Cementum covers the part of the tooth that is within the jaw. Enamel covers the part of the tooth within the oral cavity. 8. What is the central portion of a tooth called? a. Pulp cavity b. Dentin c. Dental pulp d.

Cementum e. Enamel Answer: a The central portion of a tooth is the pulp cavity. The pulp cavity is surrounded by dentin. Within the pulp cavity is a soft tissue, called dental pulp. Cementum covers the part of the tooth that is within the jaw. Enamel covers the part of the tooth within the oral cavity. 9. What covers the visible portion of a tooth ? a. Pulp cavity b. Dentin c. Dental pulp d. Cementum e. Enamel Answer: e The central portion of a tooth is the pulp cavity. The pulp cavity is surrounded by dentin. Within the pulp cavity is a soft tissue, called dental pulp. Cementum covers the part of the tooth that is within the jaw. Enamel covers the part of the tooth within the oral cavity. of the tooth within the oral cavity.... Introduction to Histology Four basic tissue types: Epithelial connective muscle nerv Histology Papilla | definition of papilla by Medical dictionary Papilla | definition of papilla by Medical dictionary a small, nipple-shaped projection or elevation. adj., adj pap´illary. circumvallate papilla 1. vallate papilla . 2.

one of the papillae in the area next to a vallate papilla. conical papilla one of the sparsely scattered elevations on the tongue, often considered to be modified filiform papillae. papillae of corium conical extensions of the fibers, capillary blood vessels, and sometimes nerves of the corium into corresponding spaces among downward- or inward-projecting rete ridges on the undersurface of the epidermis. dental papilla (dentinal papilla) the small mass of condensed mesenchyme capped by each of the enamel organs. duodenal papilla either of the small elevations (major and minor) on the mucosa of the duodenum, the major at the entrance of the conjoined pancreatic and common bile ducts, the minor at the entrance of the accessory pancreatic duct. filiform papilla one of the threadlike elevations covering most of the tongue surface. foliate papilla one of the parallel mucosal folds on the tongue margin at the junction of its body and root. fungiform papilla one of the knoblike projections of the tongue scattered among the filiform papillae.

gingival papilla the triangular pad of the gingiva filling the space between the proximal surfaces of two adjacent teeth. hair papilla the fibrovascular mesodermal papilla enclosed within the hair bulb. incisive papilla an elevation at the anterior end of the raphe of the palate. lacrimal papilla an elevation on the margin of either eyelid, near the medial angle of the eye. lingual papillae elevations on the surface of the tongue, containing the taste buds; the conical, filiform, foliate, fungiform, and vallate papillae. mammary papilla nipple (def. 1). papilla pi´li hair papilla . renal papilla the blunted apex of a renal pyramid . tactile papilla tactile corpuscle . urethral papilla a slight elevation in the vestibule of the vagina at the external orifice of the urethra. vallate papilla one of the 8 to 12 large papillae arranged in a V near the base of the tongue. papilla of Vater (Vater's papilla) major duodenal papilla . pa·pil·la [L. a nipple, dim.

of papula, a pimple] papilla papilla of corium dermal p. dental papilla , dentinal papilla a small mass of condensed mesenchyme in the enamel organ; it differentiates into the dentin and dental pulp. dermal papilla any of the conical extensions of the fibers, capillary blood vessels, and sometimes nerves of the dermis into corresponding spaces among downward- or inward-projecting rete ridges on the undersurface of the epidermis. duodenal papilla either of two small elevations on the mucosa of the duodenum, the major at the entrance of the conjoined pancreatic and common bile ducts and the minor at the entrance of the accessory pancreatic duct. filiform papillae threadlike elevations covering most of the tongue surface. foliate papillae parallel mucosal folds on the tongue margin at the junction of its body and root. fungiform papillae knoblike projections of the tongue scattered among the filiform papillae. gingival papilla the cone-shaped pad of gingiva filling the space between the teeth up to the contact area. hair papilla the fibrovascular mesodermal papilla enclosed within the hair bulb.

incisive papilla an elevation at the anterior end of the raphe of the palate. papilla pi´li hair p. renal papillae the blunted apices of the renal pyramids. tactile papilla see under corpuscle . urethral papilla a slight elevation in the vestibule of the vagina at the external orifice of the urethra. vallate papillae eight to twelve large papillae arranged in a V near the base of the tongue. papilla (pə-pĭl′ə) n. pl. pa·pillae (-pĭl′ē) 1. A small nipplelike projection, such as a protuberance on the skin, at the root of a hair or feather, or at the base of a developing tooth. 2. One of the small, round or cone-shaped protuberances on the top of the tongue that contain taste buds. 3. A pimple or pustule. 4. Botany A minute projection on the surface of a stigma, petal, or leaf. pap′il·lar′y (păp′ə-lĕr′ē, pə-pĭl′ə-rē) adj.

pap′il·late′ (păp′ə-lāt′, pə-pĭl′ĭt) adj. pap·il·lose (păp′ə-lōs′, pə-pĭl′ōs′) adj. papilla [pəpil′ə] pl. papillae Etymology: L, nipple 1 a small nipple-shaped projection, such as the conoid papillae of the tongue and the papillae of the dermis that extend from collagen fibers, the capillary blood vessels, and sometimes the nerves of the dermis. 2 the optic papilla, a round white disc in the fundus oculi, which corresponds to the entrance of the optic nerve. Also called urethral papilla . pa·pil·la , pl. papillae (pă-pil'ă, -ē) [TA] Any small, nipplelike process. [L. a nipple, dim. of papula, a pimple] papilla A small, nipple-like projection. papilla (pl.

papillae) a projection from the surface of a structure; for example, tongue papillae, which carry the taste buds. tactile papilla skin papilla containing a touch-modulating sensory nerve ending (e.g. Merkel disc, Meissner corpuscle) papilla Any small elevation shaped like a nipple. Plural: papillae. See conjunctival follicle . Bergmeister's papilla A cone-shaped, sheath of glial cells (astrocytes) and connective tissue covering the hyaloid artery formed during embryonic development over the optic disc and projecting into the vitreous humour. It usually atrophies before term but in some individuals it persists and a proliferation of glial cells form a glial veil. It may obscure the full view, or usually only part, of the optic disc and may sometimes suggest a disc tumour but it is in fact benign, stable and does not interfere with vision. See hyaloid remnant . lacrimal papilla See lacrimal papilla . papilla lacrimalis See tubercle lacrimal. optic papilla See optic disc . pa·pil·la , pl.

papillae (pă-pil'ă, -ē) [TA] Any small, nipplelike process. [L. a nipple, dim. of papula, a pimple] papilla(e) (pəpil´ə), n a small, nipple-shaped elevation. Papillae. n the elevation of soft tissue covering the foramen of the incisive or nasopalatine canal. papilla, retrocuspid, n benign nodules of the gingival tissues that occur lingual to the mandibular canines. These nodules are distinguished at a microscopic level by stellate fibroblasts within the fibrous connective tissue. Found in young adults and children, they are considered to be a normal variation of healthy tissue and should not be biopsied. papilla(e), interproximal, n the cone-shaped projection of the gingiva filling the interdental spaces up to the contact areas when viewed from the labial, buccal, and lingual aspects. When viewed buccolingually or labiolingually, the crest of the interproximal papilla appears as a rounded concavity at an area below the contact point of the teeth.

If recession has occurred, this concavity may become an area of pathology, and the entire papilla may require reshaping to restore health. Older term: interdental papilla(e). n See cell, central of the dental papillae. papillae, circumvallate lingual n the small projections located at the posterior of the tongue. These projections form a V-shaped pattern located just anterior to the sulcus terminalis of the tongue. The number of circumvallate papillae varies between three and fourteen. These papillae contain taste buds along their lateral walls. papillae, lingual, n the small epithelial protuberances on the dorsal surface of the tongue. There are four types: circumvallate papillae, filiform papillae, foliate papillae, and fungiform papillae. papillae, outer cell of the dental, n See cell, outer, of the dental papillae. papillae, parotid n.pl tiny tissue projections located on the inner portion of the buccal mucosa near the maxillary second molar that protect the parotid duct. papilla pl.

papillae [L.] a small, nipple-shaped projection or elevation. buccal papilla see under dental, conical, lingual etc. papilla (below). circumvallate papilla vallate papilla. conical papilla one of the sparsely scattered fleshy elevations on the tongue or lining the cheeks of cattle. papilla of corium conical extensions of the fibers, capillary blood vessels, and sometimes nerves of the corium into corresponding spaces among downward- or inward-projecting rete ridges on the undersurface of the epidermis. Special papillae coriales occur on the sensitive corium of the frog of the horse's hoof. dental papilla, dentinal papilla the small mass of condensed mesenchyme capped by each of the enamel organs in a developing tooth. dermal papilla finger- and ridge-like projections of the dermis which interdigitate with similar depressions in the epidermis.

duodenal papilla either of the small elevations (major and minor) on the mucosa of the duodenum, the major at the entrance of the conjoined pancreatic and common bile ducts, the minor at the entrance of the accessory pancreatic duct. filiform papilla one of the short threadlike elevations covering most of the tongue surface. In cats and cattle they are heavily cornified to give a rasping tongue. foliate papilla one of the parallel mucosal folds on the tongue margin at the junction of its body and root, best developed in the horse and pig but rudimentary or absent from other domestic animals. fungiform papilla one of the knob-like projections of the tongue scattered among the filiform papillae. gingival papilla the triangular pad of the gingiva filling the space between the proximal surfaces of two adjacent teeth. hair papilla the fibrovascular mesodermal papilla enclosed within the hair bulb. ileal papilla papilla carrying the terminal orifice of the ileum and its entrance to the large bowel. incisive papilla an elevation at the anterior end of the raphe of the palate onto which the incisive ducts open. lacrimal papilla see lacrimal punctum.

lingual papilla elevations on the surface of the tongue, containing the taste buds; the conical, filiform, foliate, fungiform and vallate papillae. major duodenal papilla the papilla in the duodenum for the common opening of the bile duct and the pancreatic duct. mammary papilla the teat or nipple of the mammary gland. marginal tongue papilla temporary filiform papillae in puppies, piglets and kittens which are thought to facilitate sucking. optic papilla papillae on the distal ends of the sensitive laminae of the hoof. tongue papilla small projections from the mucous membrane of the tongue that include filiform, lenticular, fungiform, foliate and vallate papillae; most are to assist in grooming, food prehension and movement; some carry orifices for glands and others for taste. papilla unguiculiformes horny claw-shaped papillae at the reticulo-omasal orifice. urethral papilla a slight elevation in the vestibule of the vagina at the external orifice of the urethra.

vallate papilla one of the eight to 12 large circular papillae arranged in a V near the base of the tongue. papilla of Vater, Vater's papilla major duodenal papilla. wool papilla as for hair papilla (above). Histology Guide | Oral This image may also be viewed with the Zoomify viewer. Fungiform and Filiform Papillae The slide above shows a vertical section through the tongue, taken close to its tip. Can you identify the fungiform and filiform papillae, glands, and skeletal muscle. Notice the type of epithelium that covers the superior surface of the tongue (including the papillae). Use the information below, and the diagrams to help you. Filiform papillae are the most common. They are keratinised and in the living, they look white. Fungiform papillae are not keratinised, but are highly vascularised. In the living, they look red. most of the fungiform papillae have some taste buds. Underneath the papillae, there are mucous and serous glands, pockets of adipose tissue, and a layer of skeletal muscle and connective tissue.

The skeletal muscle is arranged in three different planes, which allows the tongue to perform a number of complex movements. The photograph on the left hand side shows a vertical section of tongue, that contains both filiform and fungiform papillae. See if you can identify them, and notice how the epithelium for the two different types of papillae are different. Circumvallate papillae Now have a look at this section, a vertical section of tongue taken just anterior to the sulcus, that shows part of a circumvallate papilla . See if you can identify Von Ebner's glands, the cleft of the circumvallate papilla, the taste buds, and the muscle layer. The papillae in this region are very large, notice the scale bar. These papillae have taste buds in the medial walls of the cleft. These papillae are larger than the other two types of papillae. Glands, called Von-Ebner's glands (serous glands) open into the cleft. Taste buds contain epithelially derived taste receptor cells, sustentacular cells that surround a small central cavity tat opens onto the surface as a tiny taste pore.

Basal cells renew both of these types of cell. Chemicals stimulate the receptors, and initiate impulses in the afferent nerve fibres. A high resolution version of this image (without labels) may also be viewed with the Zoomify viewer.

Question: Circumvallate papilla, fungiform papilla, and foliate papilla are commonly called?
Answer: Taste buds