areola
The circular, darkly pigmented area surrounding a nipple; the areola mammae.
Any small circular area that is different from its immediate environment, such as the colored ring around the pupil of the eye (iris) or an inflamed region surrounding a pimple.
Any of the small spaces throughout areolar connective tissue.
Any of the small spaces between fibres of the tissues of certain lichens.
Small patches, bearing the spines and glochids characteristic of the stems of cacti.

areolae
plural of areola

areolaes
Misspelling of areolae and areolas.

areolas
plural of areola

areole
Any of the smallest enclosures created by the veins of a leaf.
A bump on a cactus out of which grow clusters of spines.
A tessellation in the thallus of certain lichens.
An areola.

areoles
plural of areole

areolus
Alternative form of areola.

argillan
A clay skin, a kind of cutan.

argillans
plural of argillan

argosome
An exovesicle in the cell membranes of fruitflies

argosomes
plural of argosome

arhinencephaly
holoprosencephaly

aril
A tissue surrounding the seed in certain fruits such as pomegranates.

arilli
plural of arillus

arillus
An aril.

arils
plural of aril

arkosite
Synonym of impsonite.

armament
A body of forces equipped for war.
All the cannon and small arms collectively, with their equipments, belonging to a ship or a fortification.
Any equipment for resistance.
The process of building up military capacity.

armaments
plural of armament

armbone
A bone in the arm, specifically, the humerus.

armbones
plural of armbone

armpits
plural of armpit

arrhinencephalies
plural of arrhinencephaly

arrhinencephaly
The congenital absence of the rhinencephalon

arsecheek
A buttock.

arsecheeks
plural of arsecheek

artemin
A neurotrophin, or nerve growth factor, in the GDNF family, bonding to the receptor GFRalpha3-RET.

artemins
plural of artemin

artere
sinew, ligament, tendon, artery

arterectomies
plural of arterectomy

arterectomy
Alternative form of arteriectomy.

arteria
Synonym of artery.

arteriae
plural of arteria

arteriectasis
vasodilation of an artery

arteriectomies
plural of arteriectomy

arteriectomy
excision of part of an artery

arteries
plural of artery

arteriocentesis
centesis of an artery

arterioconstriction
Arterial constriction: constriction of an artery or arteries.

arteriodilation
Arterial dilation: dilation of an artery or arteries.

arteriogram
An X-ray of an artery after injection with a radiopaque material

arteriograms
plural of arteriogram

arteriographies
plural of arteriography

arteriography
radiography of an artery
description of the arteries

arteriola
An arteriole.

arteriolae
plural of arteriola

arteriole
One of the small branches of an artery, especially one that connects with capillaries.

arterioles
plural of arteriole

arteriology
The branch of angiology dealing with the arteries.

arteriolonephrosclerosis
A hardening of the arterioles of the kidney

arteriomegaly
pathological enlargement of the arteries

arterioplasties
plural of arterioplasty

arterioplasty
reconstruction or repair of an artery

arteriopuncture
The puncture of an artery, typically in order to administer an injection

arteriopunctures
plural of arteriopuncture

arteriorrhaphies
plural of arteriorrhaphy

arteriorrhaphy
The suturing of an artery

arterioscleroses
plural of arteriosclerosis

arteriosclerosis
Hardening, narrowing or loss of elasticity in arteries or blood vessels.

arteriospasm
The spasm of an artery

arteriospasms
plural of arteriospasm

arteriostenosis
constriction of an artery

arteriotomies
plural of arteriotomy

arteriotomy
The opening of an artery, especially for bloodletting.

artery
Any of the muscular- and elastic-walled blood vessels forming part of the circulation system by which blood is conveyed away from the heart regardless of its oxygenation status; see pulmonary artery.
A major transit corridor in a system of roads, rivers, or railway lines.

artherectomy
Misspelling of atherectomy.

artherosclerosis
Misspelling of atherosclerosis.

arthospore
Misspelling of arthrospore.

arthra
plural of arthron

arthrobranch
A gill, of a crustacean, that is attached to the membrane between the body and the base of the leg

arthrobranches
plural of arthrobranch

arthrobranchs
plural of arthrobranch

arthrodeses
plural of arthrodesis

arthrodesis
The surgical fusion of a joint between two or more bones so that the joint can no longer move; artificial ankylosis.

arthrodysplasia
The abnormal development of a joint

arthrodysplasias
plural of arthrodysplasia

arthron
An articulation or joint.

arthrospore
A sporelike cell produced by some fungi and algae.
A similar cell produced by some bacteria.

arthrospores
plural of arthrospore

arthrosterigma
A jointed sterigma in some lichens, made up of rows of cells from which spores are abstricted.

arthrosterigmata
plural of arthrosterigma

articuli
plural of articulus

articulography
The measurement of the movements of the lips, teeth and the different parts of the tongue during speech.

articulus
A joint of the cirri of the Crinoidea.
A joint or segment of an arthropod appendage.

artire
Obsolete form of artery.

artires
plural of artire

artiue
Obsolete form of artery.

artiues
plural of artiue

arture
Obsolete form of artery.

artures
plural of arture

aryepiglottici
plural of aryepiglotticus

aryepiglotticus
A muscle of the larynx running in the aryepiglottic fold from the arytenoid cartilage to the epiglottis.

arytenoidectomies
plural of arytenoidectomy

arytenoidectomy
Removal of the arytenoids in order to widen the larynx.

ascendostomy
An operation involving the formation of an artificial opening from the ascending colon through the abdominal wall.

asci
plural of ascus

ascocyst
An erect sac-like secreting cell on the creeping filaments of Ascocyclus.

ascocysts
plural of ascocyst

ascus
A sac-shaped cell present in ascomycete fungi; it is a reproductive cell in which meiosis and an additional cell division produce eight spores.

asialofetuin
A glycoprotein that can be obtained from fetal calf serum.

asscheek
A buttock.

asscheeks
plural of asscheek

assgasm
An orgasm derived from the penetration of the anus.

asstunnel
Rectum.

asstunnels
plural of asstunnel

asteatoses
plural of asteatosis

asteatosis
Persistent dry scaling of the skin due to an absence or shortage of sebum

asterion
The point on the side of the skull corresponding to the posterior end of the parietomastoid suture.

asterions
plural of asterion

asthenospermia
Loss or reduction in the strength or energy of sperm cells, hence infertility or subfertility.

asthenozoosperm
Any sperm produced by asthenozoospermia

asthenozoosperms
plural of asthenozoosperm

astriogliosis
Misspelling of astrogliosis.

astroblast
A differentiated neural stem cell that becomes an astrocyte.

astroblasts
plural of astroblast

astrocyte
A neuroglial cell, in the shape of a star, in the brain.

astrocytes
plural of astrocyte

astrocytogenesis
The creation and development of astrocytes

astrocytosis
An abnormal increase in the number of astrocytes due to the destruction of nearby neurons

astroglia
The group of star-shaped glial cells in the brain and spinal cord

astrogliomorphogenesis
The morphogenesis of astrogliomas

astroglioses
plural of astrogliosis

astrogliosis
An abnormal increase in the number of astrocytes due to the destruction of nearby neurons.

astroglosis
Misspelling of astrogliosis.

astrosclereid
A thick-walled star-shaped cell occurring in the leaves of Camellia, and frequently in bark amongst the surrounding parenchymatous cells.

astrosclereids
plural of astrosclereid

astrotactin
A glycoprotein associated with the migration and adhesion of neurons

astrotactins
plural of astrotactin

asynclitism
The position of a baby in the uterus such that the head is presenting first, tilted to the shoulder and thus no longer in line with the birth canal.

asynergies
plural of asynergy