anuresis
The inability to urinate; the retention of urine in the bladder.

aorta
The great artery which carries the blood from the heart to all parts of the body except the lungs; the main trunk of the arterial system.
The liveliest part of something.

aortae
plural of aorta

aortalgia
pain caused by an aneurysm or similar condition of the aorta

aortas
plural of aorta

aortectasia
dilatation of the aorta

aortectasis
Alternative form of aortectasia.

aortographies
plural of aortography

aortography
an arteriography of the aorta

aortomyoplasty
A surgical procedure in which a strip of healthy muscle is wrapped around the aorta.

aortoplasties
plural of aortoplasty

aortoplasty
reconstruction of a damaged aorta

aortorrhaphy
suture of the aorta

aortosclerosis
atherosclerosis of the aorta

aortotomies
plural of aortotomy

aortotomy
incision into the aorta

apadravya
A glans penis piercing where jewellery passes vertically through the urethra.

apadravyas
plural of apadravya

aparathyroidism
Absence of the parathyroid glands

apexogenesis
calcification of the apex of a tooth in order to encourage root formation

aphalangia
The absence of a phalanx (bone) in one or more digits.

aphasia
A partial or total loss of language skills due to brain damage. Usually, damage to the left perisylvian region, including Broca's area and Wernicke's area, causes aphasia.

aphasias
plural of aphasia

aphasiology
The study of linguistic problems resulting from brain damage.

aphasy
Dated form of aphasia.

apicectomies
plural of apicectomy

apicectomy
Alternative form of apicoectomy.

apicoectomies
plural of apicoectomy

apicoectomy
An endodontic surgical procedure whereby a tooth's root tip is removed and a root end cavity is prepared and filled with a biocompatible material

apicolysis
excision of the apex of an anatomical part (typically lung or tooth)

apicoplast
A relict, non-photosynthetic plastid found in most of the Apicomplexa, proposed to have evolved via secondary endosymbiosis and surrounded by four membranes within the outermost part of the endomembrane system

apicoplasts
plural of apicoplast

apituitarism
The lack of a pituitary, or the loss of its function.

aplanozygote
A zygote that has no flagella

aplanozygotes
plural of aplanozygote

aplasia
A condition marked by the incomplete development, or entire absence, of an organ or tissue.

aplasias
plural of aplasia

apocatastases
plural of apocatastasis

apocatastasis
Restoration, renovation, reestablishment
Restoration, renovation, reestablishment
Restoration, renovation, reestablishment
Restoration, renovation, reestablishment

apocyte
A multinucleate cell

apocytes
plural of apocyte

apocytia
plural of apocytium

apocytium
A multinucleate mass of protoplasm that lacks a distinct cell membrane

apocytochrome
Any form of a cytochrome that is lacking the heme unit

apocytochromes
plural of apocytochrome

apodema
Alternative form of apodeme.

apodemas
plural of apodema

apodeme
An ingrowth of the arthropod exoskeleton, serving as an attachment site for muscles.

apodemes
plural of apodeme

apogeny
Inability to reproduce sexually as a result of destruction of the male and female organs.

apokatastases
plural of apokatastasis

apokatastasis
Alternative form of apocatastasis.

apollonicon
A particular type of barrel organ that also had a keyboard.

apollonicons
plural of apollonicon

aponeuroses
plural of aponeurosis

aponeurosis
A flattened pearly white fibrous membrane taking the place of a tendon that binds together and forms the terminations and attachments of muscles or connects them to other body parts like skin or bone.

apophyse
apophysis

apophyses
plural of apophyse
plural of apophysis

apophysis
A natural outgrowth, swelling or enlargement, usually of an organism; a protuberance on a bone.
The external part of a cone scale.
A branch of a dike or vein.

aposome
Any body within a cell

aposomes
plural of aposome

apostosis
naturally occurring cell death.

apotele
A scalloped ridge around the edge of an otolith
The distal-most segment of a mite leg, as the pretarsus, or pedipalp, in which it may be subdistal

apotope
an immunogenic epitope expressed on apoptotic cells

apotopes
plural of apotope

appendage
An external body part that projects from the body.
A natural prolongation or projection from a part of any organism.
A part that is joined to something larger.

appendages
plural of appendage

appendectomies
plural of appendectomy

appendectomy
The surgical procedure for the removal of the vermiform appendix.

appendicalgia
Pain in the appendix.

appendicectomies
plural of appendicectomy

appendicectomy
the surgical procedure for the removal of the vermiform appendix

appendicolith
A calcified fecal deposit associated with appendicitis.

appendicostomies
plural of appendicostomy

appendicostomy
The creation of an opening into the vermiform appendix, typically via the navel

appendicovesicostomies
plural of appendicovesicostomy

appendicovesicostomy
The conversion of the appendix into a conduit for urine from the bladder

applanation
The flattening of the cornea, especially by the application of pressure.

applanations
plural of applanation

aquadynia
A burning pain on the skin after bathing

aquapoline
A membrane protein that regulates transportation of water

arabinogalactan
Any of a class of proteoglycans found on the cell surface of flowering plants, sometimes used as a dietary supplement

arabinogalactans
plural of arabinogalactan

arabinogalactin
Synonym of arabinogalactan.

arabinogalactins
plural of arabinogalactin

arbuscocyte
An arbuscular (dendritic) cell

arbuscocytes
plural of arbuscocyte

archaella
plural of archaellum

archaellum
A unique whip-like structure on the cell surface of many archaea

archaeocyte
Synonym of amoebocyte.

archaeocytes
plural of archaeocyte

archaesporia
plural of archaesporium

archaesporium
Alternative form of archesporium.

archegone
Synonym of archegonium.

archegones
plural of archegone

archegonia
plural of archegonium

archegonium
A multicellular reproductive structure that contains a large, non-motile gamete (egg cell), and within which an embryo will develop.

archentera
plural of archenteron

archenteron
A primitive alimentary cavity

archenterons
plural of archenteron

archeocyte
Alternative form of archaeocyte.

archeocytes
plural of archeocyte

archeospore
Alternative form of archespore.

archeospores
plural of archeospore

archespore
A group of cells from which microspores or megaspores develop.

archespores
plural of archespore

archesporia
plural of archesporium

archesporium
Any of the cells of the sporangium that give rise to spores.

archiblastula
A hollow blastula, purported to be the primitive form.

archicerebella
plural of archicerebellum

archicerebellum
The oldest part of the cerebellum in evolutionary terms; the vestibulocerebellum.

archicortex
Part of the allocortex, specifically three layered hippocampal cortexes necessary for hippocampus formation

archicortices
plural of archicortex

archipallia
plural of archipallium

archipallium
The oldest region of the brain's pallium, often considered contiguous with the olfactory cortex, but varying among species. In humans, the archipallium makes up the hippocampus.

archopallium
Misspelling of archipallium.

archoplasm
The substance from which attraction spheres develop in mitotic cell division, and of which they consist.

archoplasms
plural of archoplasm

arealization
The development of areas (as in the brain) that have different function

arealizations
plural of arealization