The A to Z of Anatomical Histological and Medical terms
A Articular cartilage (ar-TIH-kyoo-lar KAR-ti-lej) the cartilage that
B
covers the end of a bone, where it forms a joint with another bone.
Articulation (ar-tik’-yoo-LAY-shun) = joint, which is a point of contact
C b/n 2 opposing bones.
articulation: Lt. artus = joint, hence, articulate - to form a joint.
D
arytenoid: Gk. arytaina = pitcher, and eidos = shape or form, the
E
arytenoid cartilage curves like a spout
as- toward , near to
F
Ascending colon (ah-SEN-ding KO-lun) a segment of the large
G
intestine that extends from the caecum to the transverse colon = Right
colon.
H
aspect: a view of more than one surface.
I
aspera: Lt. rough.
asterion: Gk. asterios = starry.
J asthen- weak, weakness
Astrocyte (AS-tro-site) a neuroglial cell type common in the CNS,
K
particularly the brain. Astrocytes are believed to form a structural
L
framework b/n neurons, BV, and other neuroglial cells by their
attachments. They are also capable of impulse transmission.
M
astrocyte: Gk. astron = star, and kytos = cell, hence a star-
N
shaped (neuroglial) cell.
ataxia,: Gk. a = negative, and taxis = order, hence inability to co-
O
ordinate the voluntary muscles.
P
atlas: Gk. atlao = I sustain. Atlas was the mythical god who
sustained the globe on his shoulders. the 1st vertebra sustains the
Q skull, and its upper surface bears 2 concavities
to do this.
R
atresia: Gk. a = negative, and tresis = a hole, an absence or
S
closure of a body orifice or tubular organ
atreto- closed, imperforate
T
Atrium (A-tree-um) One of 2 superior chambers of the heart. pl.- atria.
U
atrium: Lt. = entrance hall, adj.- atrial.
atrophy: Gk. a = negative, and trophe = food, hence wasting from
V
starvation.
W
auditory: Lt. audire = to hear, hence, pertaining to the ear.
auricle: Lt. auricula = a little ear - part of the external ear
X auricular - ear-shaped
auscultate: Lt. ausculto = to listen to
Y
auto- self, spontaneous
Z
autonomic: adj.Gk. auto = self, and nomos = law, hence self-
regulating.
73 © A. L. Neill
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