abocclusion
Condition in which the upper and lower teeth are not in contact.

abocclusions
plural of abocclusion

abreneurin
Alternative form of brain-derived neurotrophic factor.

abreugraphy
chest photofluorography: a screening technique for tuberculosis using a miniature photograph of a roentgenographic fluoroscopy of the thorax

abrineurin
Synonym of brain-derived neurotrophic factor.

acacin
Gum arabic.

acacine
Alternative spelling of acacin.

acanthaesthesia
Alternative form of acanthesthesia.

acanthesthesia
A type of paresthesia characterized by a tingling, numbing sensation as of being pierced by needles, usually caused by the (temporary) clamping of nerves.

acanthocyte
A pathological, irregularly spiked red blood cell without central pallor.

acanthocytes
plural of acanthocyte

acanthokeratodermia
A thickening of the horny portion of the skin on the hand palms and soles of the feet.

acanthokeratodermias
plural of acanthokeratodermia

acanthoma
A neoplasm of the prickle cell layer of the skin

acanthomas
plural of acanthoma

acanthomata
plural of acanthoma

acanthopelvis
A sharp pubic spine on a rachitic pelvis.

acanthopore
A tubular spine in some bryozoans.

acanthopores
plural of acanthopore

acanthoses
plural of acanthosis

acanthosis
A benign abnormal thickening of the stratum spinosum, or prickle cell, layer of the epidermis.

acanthrocyte
acanthocyte

acardia
A birth defect in which the heart is absent

acardiaci
plural of acardiacus

acardiacus
A deformed fetus having developed no heart, connected as a parasite to another fetus.

acardius
acardiacus

acarodomatia
plural of acarodomatium

acarodomatium
A pit with tufted trichomes in leaf vein axils and occupied by predatory and mycophagous mites.

acaryote
akaryocyte

acataphasia
A loss of the ability to express oneself using organized syntax

acatastases
plural of acatastasis

acatastasis
A confusion of something.

accelerans
A nerve that speeds up the heartbeat by emitting noradrenaline.

acephalocardia
The congenital lack of a head and a heart (in a parasitic twin)

acephalocyst
A larval entozoön in the form of a subglobular or oval vesicle, or hydatid, filled with fluid, sometimes found in the tissues of man and the lower animals; -- so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin.

acephalocysts
plural of acephalocyst

acephalogasteria
The congenital lack of a head and thorax (in a parasitic twin)

acephalorrhachia
The congenital lack of a head and spine

acephalothoracia
The congenital lack of a head and thorax

achaete
A proneural gene, often associated with scute, that is required for the formation of many larval and adult sense organs

achalasia
A neuromuscular condition where a ring of muscles is unable to relax fully, causing obstruction of a lumen, as:
A neuromuscular condition where a ring of muscles is unable to relax fully, causing obstruction of a lumen, as:
A neuromuscular condition where a ring of muscles is unable to relax fully, causing obstruction of a lumen, as:

achalasias
plural of achalasia

achillorrhaphy
suture of the Achilles tendon

achillotomies
plural of achillotomy

achillotomy
tenotomy of the Achilles tendon

achoreses
plural of achoresis

achoresis
A diminished capacity of any of the hollow viscera (such as the bladder or stomach).

achroacyte
Any colourless cell (especially a lymphocyte)

achroacytes
plural of achroacyte

achromacyte
Any cell that lacks its normal pigmentation (especially an erythrocyte that has ruptured and lost its haemoglobin)

achromacytes
plural of achromacyte

achromatocyte
achromacyte

achromatophil
A cell (or tissue) that is not readily coloured by stains

achromatophils
plural of achromatophil

achromatopia
Synonym of achromatopsia.

achromatopias
plural of achromatopia

achromatopsia
Total color blindness; the total inability to distinguish colors due to the absence of cone cells in the eyes.

achromatopsias
plural of achromatopsia

achromatopsy
Alternative form of achromatopsia.

achromia
Absence of pigmentation, especially in the skin or blood

achromias
plural of achromia

achromocyte
Alternative form of achromacyte.

achromocytes
plural of achromocyte

achromoderma
A lack of pigmentation in the skin

achromophil
achromatophil

achromophils
plural of achromophil

aciculum
A needlelike spine or bristle, specially the seta of an annelid

aciculums
plural of aciculum

acidocalcisome
An organelle, rich in both calcium and pyrophosphate, that appears to have a function in osmoregulation.

acidocalcisomes
plural of acidocalcisome

acidocyte
eosinophilic leukocyte

acidocytes
plural of acidocyte

acinesia
Alternative form of akinesia.

aclasia
A lack of a physical distinction between normal and pathological tissue.

aclasis
aclasia

acleistocardia
The inability of the foramen ovale of the heart to close properly

acmesthesia
The sensitivity of the skin to a sharp point (such as a pinprick)

acorea
the congenital absence of the pupil in an eye

acrochordon
A soft, pedunculated or pensile wart, consisting of myomatous or edematous fibrous tissue, often found on the neck or eyelids of elderly persons.

acrochordons
plural of acrochordon

acrodysplasia
dysplasia that affects the head, hands and feet

acrohyperkeratosis
The thickening of the horny layer of the skin.

acrokeratoderma
keratoderma affecting the digits

acrokeratodermas
plural of acrokeratoderma

acromelia
A shortening of the bones of the hands and feet.

acromelias
plural of acromelia

acromicria
Hypoplasia of the limbs, and often digits, nose, and jaw.

acromikria
Alternative form of acromicria.

acromiotrapezius
The middle part of the trapezius muscle in mammals.

acroneme
The slender section of a flagellum

acronemes
plural of acroneme

acroosteolysis
The resorption of distal bony phalanges.

acropachy
A medical condition characterized by subperiosteal formation of new bone, most commonly manifesting as clubbing of the fingers and toes with soft tissue swelling.

acropachyderma
A thickening of the skin of the head and limbs together with deformity of the bones of the limbs

acroparaesthesia
Alternative form of acroparesthesia.

acroparaesthesias
plural of acroparaesthesia

acroparesthesia
severe pain in the extremities

acroparesthesias
plural of acroparesthesia

acrophysalide
A terminal, inflated cell of a basidiome

acrophysalides
plural of acrophysalide

acroplaxome
A structure that lies between the membranes of the acrosome and nucleus of a spermatozoon.

acroplaxomes
plural of acroplaxome

acroscleroderma
Synonym of sclerodactyly.

acrosomin
A lipoglycoprotein complex present in the acrosome

acrostealgia
An apophysitis of the bones of the extremities

acrostealgias
plural of acrostealgia

acrosternite
The precostal lip of the sternum of a segment of an arthropod

acrosternites
plural of acrosternite

acrosyringia
plural of acrosyringium

acrosyringium
An intraepidermal spiral duct in the eccrine gland.

acrotarsium
The instep of the foot (front of the tarsus)

acrotergite
The precostal sector of a tergite

acrotergites
plural of acrotergite

acrotrichium
The distal part of the infundibular epidermis that traverses the surface epidermis.

acrotrophodynia
A discomfort and functional impairment in the hands or feet due to an altered nerve and tissue damage, often linked to cold exposure.

actinenchyma
Cellular tissue formed in a star-shaped manner, as seen in a cross-section of Juncus.

actinobranch
An organ, in some anthozoans, that functions as a gill

actinobranchia
Alternative form of actinobranch.

actinopathy
An abnormality of actin in muscles.

actinoporin
A type of actinotoxin that form pores in membranes that contain sphingomyelin

actinoporins
plural of actinoporin

actinost
A bone at the base of a paired fin (of a fish)