prostatorrhoea
Morbid or excessive discharge from a prostate gland.

prostatoseminalvesiculectomies
plural of prostatoseminalvesiculectomy

prostatoseminalvesiculectomy
a surgical procedure in which the prostate gland, seminal vesicles, and ejaculatory ducts are removed

prostatosome
Alternative form of prostasome.

prostatosomes
plural of prostatosome

prostectomies
plural of prostectomy

prostectomy
Alternative form of prostatectomy.

prosthodontics
Prosthetic dentistry: a specialty of dentistry concerned with the restoration or replacement of damaged or missing teeth or portions thereof.

prothrombin
A glycoprotein, produced in the liver, that is converted into thrombin during bleeding and subsequent clotting.

prothrombins
plural of prothrombin

protocerebra
plural of protocerebrum

protocerebron
Misspelling of protocerebrum.

protocerebrum
The anterior part of the arthropod brain.

protocerebrums
plural of protocerebrum

protochromosome
A mass of chromatin in a cell nucleus that develops into a chromosome

protochromosomes
plural of protochromosome

protocoel
The anterior part of a tripartite coelom in some invertebrates

protocone
A cusp in the corner of an upper molar tooth in mammals.

protocones
plural of protocone

protocorm
A tuberous mass of cells that is the embryonic form of orchids and club mosses

protocorms
plural of protocorm

protoderm
the primary meristem from which the epidermis develops

protoderms
plural of protoderm

protofeather
The hypothetical precursors of bird feathers, believed to have been grown by certain dinosaurs.

protofeathers
plural of protofeather

protofibril
An elongated cluster of cells that grows into a fibril.

protofibrils
plural of protofibril

protofilament
A filament of polymerized tubulin in a cell, which becomes part of a microtubule

protofilaments
plural of protofilament

protoflexid
A flexid between the protoconid and the anterolabial conulid.

protoflexids
plural of protoflexid

protonephridia
plural of protonephridium

protonephridium
A type of nephridium composed of a network of flame cells or solenocytes.

protoneuromast
A cell (or cluster of cells) that will develop into a neuromast

protoneuromasts
plural of protoneuromast

protophloem
The form of phloem that is initially formed, composed of narrow, thin-walled cells.

protophloems
plural of protophloem

protoporphyria
A form of porphyria characterized by excessive protoporphyrin in the erythrocytes, plasma and feces

protoreceptor
A nerve ending or similar group of specialist cells that are sensitive to light.

protoreceptors
plural of protoreceptor

protosphere
Misspelling of photosphere.

protospheres
plural of protosphere

protospine
A structure that develops into a spine

protospines
plural of protospine

protostele
A type of stele, in which the vascular tissue in the stem forms a solid core, with no central pith or leaf gaps.

protosteles
plural of protostele

protostylid
A stylid in front of the protoconid, in the protoflexid.

protostylids
plural of protostylid

protosynapse
An evolutionary precursor of the synapse

protosynapses
plural of protosynapse

protruberance
Misspelling of protuberance.

protruberances
plural of protruberance

protuberance
A bulge, knob, swelling, spine, or anything that protrudes.

protuberances
plural of protuberance

provacuole
A vesicle in a cell's cytoplasm that develops into a vacuole.

provacuoles
plural of provacuole

provang
A 17th century medical instrument for cleansing the stomach, consisting of a whale-bone rod, with a silk button on the end.

provangs
plural of provang

proventricle
proventriculus

proventricles
plural of proventricle

prozonite
The anterior tergite of a diplosomite

prozonites
plural of prozonite

pruriceptor
A nerve ending that acts as a receptor of itching sensations

pruriceptors
plural of pruriceptor

prurigo
A skin condition, characterized by itching of papules as the main symptom.

prurigoes
plural of prurigo

prurigos
plural of prurigo

pruritoception
itching, especially as a result of a skin condition

pseudannuli
plural of pseudannulus

pseudannulus
An apparent annulus of specialized cells, exterior to the peristome in mosses.

pseudoachalasia
An esophageal condition involving the same obstructive character as achalasia but not of a primary (idiopathic) nature (cause); it is called pseudoachalasia when the term achalasia is intended to mean only the type of such obstruction that is of primary nature, whereas in other terminological schemas it is classified as a type of achalasia, called secondary achalasia in coordinate rank with primary achalasia (true achalasia).

pseudoagglutination
The clumping of red blood cells, that resembles agglutination but occurs without the involvement of an antigen-antibody reaction.

pseudoanaphylaxis
A kind of anaphylaxis that does not involve an allergic reaction but is due to direct mast cell degranulation.

pseudoaneurysm
A so-called "false aneurysm", a hematoma that forms as the result of a leaking hole in an artery.

pseudoaneurysms
plural of pseudoaneurysm

pseudoanodontia
Failure of the teeth to erupt from the gums.

pseudobranchia
A small patch of gill-like filaments on the inner surface of the opercle near the junction of the preopercle.

pseudobulb
A storage organ in orchids, derived from the part of a stem between two leaf nodes.

pseudobulbs
plural of pseudobulb

pseudocapillaries
plural of pseudocapillary

pseudocapillary
A well in a cell wall that has some characteristics of a capillary

pseudocarapace
An arrangement of many bones that make up the back of some marine turtles

pseudocarapaces
plural of pseudocarapace

pseudocele
Alternative form of pseudocoel.

pseudocell
A pseudospatial cell

pseudocells
plural of pseudocell

pseudocilia
plural of pseudocilium

pseudocilium
A motionless whip-like body proceeding in pairs from each cell of Apiocystis brauniana.

pseudocoel
The body cavity of certain nematodes (primitive invertebrates), which is analogous to a coelom but lacking mesodermal cells, i.e. not lined with mesothelium.

pseudocoelia
The fifth ventricle in the mammalian brain.

pseudocoelom
Synonym of pseudocoel.

pseudocoelome
Alternative form of pseudocoelom.

pseudocoelomes
plural of pseudocoelome

pseudocoeloms
plural of pseudocoelom

pseudocoels
plural of pseudocoel

pseudocoelum
Misspelling of pseudocoelom.

pseudocolonies
plural of pseudocolony

pseudocolony
A cluster of living things (cells, people, etc.) that has only some of the characteristics of a colony

pseudocyphella
A structure in lichens that appears as a tiny pore on the outer surface, caused when there is a break in the cortex of the lichen and the medullary hyphae extend to the surface.

pseudocyphellae
plural of pseudocyphella

pseudocyst
A pathological collection of fluid, differing from a cyst in lacking a clearly-defined epithelial cell layer.

pseudocysts
plural of pseudocyst

pseudodentary
In caecilians, the front tooth-bearing part of the jawbone.

pseudodiverticulosis
A condition characterized by the presence of pseudodiverticula (false diverticula that do not involve all layers of the intestinal wall), typically affecting the esophagus or colon.

pseudoenophthalmos
The impression that the eye is sunken, caused by a narrow palpebral aperture.

pseudofracture
A localized flaw in bone tissue presenting a radiologic appearance similar to that of a fracture; it is a radiologic sign that contributes to the diagnosis of osteomalacia.

pseudofractures
plural of pseudofracture

pseudofruit
A fruit which includes tissue not derived from the ovary but from some adjacent tissue.

pseudofruits
plural of pseudofruit

pseudofusion
The situation in which the heart rate becomes indistinguishable from that of an implanted pacemaker

pseudofusions
plural of pseudofusion

pseudoganglia
plural of pseudoganglion

pseudoganglion
A localized thickening of the main part or trunk of a nerve, resembling a ganglion but having only nerve fibres and no nerve cells.