Subcutaneous tissue - wikipedia Subcutaneous tissue This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. ( December 2009 ) Subcutaneous tissue The hypodermis is the lower layer of skin shown in the diagram above Details System integumentary Identifiers Latin tela subcutanea MeSH D040521 TA A16. 0.03. 001 TH H3. 12.00. 2.00001 FMA 9630 Anatomical terminology ( edit on Wikidata ) The subcutaneous tissue ( from Latin subcutaneous, meaning ' beneath the skin ' ), also called the hypodermis, hypoderm ( from Greek, meaning ' beneath the skin ' ), subcutis, or superficial fascia, is the lowermost layer of the integumentary system in vertebrates. The types of cells found in the hypodermis are fibroblasts, adipose cells, and macrophages. The hypodermis is derived from the mesoderm, but unlike the dermis, it is not derived from the dermatome region of the mesoderm. In arthropods, the hypodermis is an epidermal layer of cells that secretes the chitinous cuticle. The term also refers to a layer of cells lying immediately below the epidermis of plants. The hypodermis is beneath dermis which is beneath epidermis. It is used mainly for fat storage. A layer of tissue lies immediately below the dermis of vertebrate skin. It is often referred to as subcutaneous tissue though this is a less precise and anatomically inaccurate term. The hypodermis consists primarily of loose connective tissue and lobules of fat. It contains larger blood vessels and nerves than those found in the dermis. Contents 1 Structure 1.1 Subcutaneous fat 2 Clinical significance 2.1 Injection 2.2 Disease 3 See also 4 References Structure Subcutaneous tissue consists of : Fibrous bands anchoring the skin to the deep fascia Collagen and elastin fibers attaching it to the dermis Fat, except in the eyelids, clitoris, penis, much of pinna, and scrotum Blood vessels on route to the dermis Lymphatic vessels on route from dermis The glandular part of some sweat glands ; mammary gland lie entirely within the subcutaneous tissue ( which are modified apocrine sweat glands ) Cutaneous nerves and free endings Hair follicle roots Ruffini and Pacinian corpuscles Mast cells Bursae, in the space overlying joints in order to facilitate smooth passage of overlying skin Fine, flat sheets of muscle, in certain locations, including the scalp, face, hand, nipple, and scrotum, called the panniculus carnosus In some animals, such as whales and hibernating mammals, the hypodermis forms an important insulating layer and / or food store. In some plants, the hypodermis is a layer of cells immediately below the epidermis of leaves. It is often mechanically strengthened, for example, in pine leaves, forming an extra protective layer or a water storage tissue. Subcutaneous fat Subcutaneous fat is the layer of subcutaneous tissue that is most widely distributed. It is composed of adipocytes, which are grouped together in lobules separated by connective tissue. The number of adipocytes varies among different areas of the body, while their size varies according to the body 's nutritional state. It acts as padding and as an energy reserve, as well as providing some minor thermoregulation via insulation. Subcutaneous fat is found just beneath the skin, as opposed to visceral fat, which is found in the peritoneal cavity, and can be measured using body fat calipers to give a rough estimate of total body adiposity. Clinical significance Injection Main article : Subcutaneous injection Injection into the subcutaneous tissue is a route of administration used for drugs such as insulin : because it is highly vascular, the tissue absorbs drugs quickly. Subcutaneous injection is believed to be the most effective manner to administer some drugs, such as human growth hormones. Just as the subcutaneous tissue can store fat, it can also provide good storage space for drugs that need to be released gradually because there is limited blood flow. `` Skin popping '' is a slang term that includes this method of administration, and is usually used in association with recreational drugs. Disease Subcutaneous abscess Subcutaneous tumor See also Dermis Epidermis References ^ Jump up to : `` The Integument ''. Terminologia Anatomica. 1998. Jump up ^ Mosby 's Medical, Nursing & Allied Health Dictionary ( 4th ed. ). St. Louis : Mosby. 1994. pp. 998, 774, 1497. ISBN 978 - 0801672255. Jump up ^ Mcminn ( October 2003 ). Lasts Anatomy Regional and Applied. Elsevier Australia. p. 3. ISBN 0729537528. ^ Jump up to : `` The hypodermis ''. An Organ Revealed. L'Oréal. Retrieved 4 June 2013. Jump up ^ Tamarkin, Dawn A. `` Unit 4 : Skin & Bone Structure ''. Sprinfield Technical Community College. Retrieved 8 June 2013. ^ Jump up to : O'Rahilly, Ronan ; Müller, Fabiola ; Carpenter, Stanley ; Swenson, Rand ; Dartmouth Medical School. `` Chapter 4 : The skin, hair and nails ''. Basic Human Anatomy : A Regional Study of Human Structure. Retrieved 9 June 2013. Jump up ^ Fischer, Josef E. ; Bland, Kirby I. ; Callery, Mark P. ( 18 December 2006 ). Mastery of Surgery. Lippincott Williams & Wilkins. p. 482. ISBN 078177165X. Jump up ^ Krstic, Radivoj V. ( 18 March 2004 ). Human Microscopic Anatomy : An Atlas for Students of Medicine and Biology. Springer. p. 466. ISBN 9783540536666. ^ Jump up to : Kenneth, Saladin ( 2007 ). Human Anatomy. Rex Bookstore, Inc. pp. 135, 478, 602. ISBN 0071259716. Jump up ^ Goldsmith, Lowell A. ; Katz, Stephen I. ; Gilchrest, Barbara A. ; Paller, Amy S. ; Leffell, David J. ; Wolff, Klaus. Fitzpatrick 's Dermatology in General Medicine ( 8 ed. ). McGraw - Hill. p. 64. ISBN 978 - 0071669047. Jump up ^ `` Subcutaneous Tissue ''. Medical Subject Headings ( MeSH ). National Library of Medicine. Retrieved 5 June 2013. Jump up ^ `` Abdominal fat and what to do about it ''. Harvard Health Publications. Harvard Medical School. 2006. Retrieved 5 June 2013. Jump up ^ Orphanidou, C ; McCargar, L ; Birmingham, C ; Mathieson, J ; Goldner, E ( August 1994 ). `` Accuracy of subcutaneous fat measurement : comparison of skinfold calipers, ultrasound, and computed tomography ''. Journal of the American Dietetic Association. 94 ( 8 ) : 855 -- 858. doi : 10.1016 / 0002 - 8223 ( 94 ) 92363 - 9. ISSN 0002 - 8223. Skin and related structures Skin Epidermis Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum Stratum basale Basement membrane Basal keratinocyte Lamina lucida Lamina densa Dermis Papillary Dermal papillae Reticular Subcutaneous tissue Panniculus / Pannus ( Panniculus adiposus Panniculus carnosus ) Membranous layer Loose connective tissue Superficial fascia Adnexa Skin glands Sweat glands : Apocrine sweat gland Eccrine sweat gland Sebaceous Hair Root sheath Outer root sheath Inner root sheath Henle 's layer Huxley 's layer Hair shaft Cuticle Cortex Medulla Bulb with matrix cells Hair follicle Muscle Arrector pili muscle Pilosebaceous unit Hair sebaceous gland Nail Nail matrix Nail plate Lunula Eponychium Paronychium Hyponychium Retrieved from `` https://en.wikipedia.org/w/index.php?title=Subcutaneous_tissue&oldid=840302291 '' Categories : Skin anatomy Hidden categories : Pages with unresolved properties Articles needing additional references from December 2009 All articles needing additional references Talk Contents About Wikipedia Български Català Deutsch Español Esperanto فارسی Français Galego Ido Bahasa Indonesia Italiano Македонски Nederlands Polski Português Русский Simple English Slovenčina Suomi Svenska ไทย 13 more Edit links This page was last edited on 9 May 2018, at 00 : 52. 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Question: where is the subcutaneous layer of the skin located
Answer: beneath dermis which is beneath epidermis