The A to Z of Anatomical Histological and Medical terms
A
pars: Lt. = part.
B
part- childbirth
patella: Lt. a small pan; adj.- patellar.
C path- disease
Pathology (pahth-OH-loh-jee) the study or science of diseases.
D
pecten: Lt. = comb.
E
pectinate: adj. from Lt. pecten = a comb; applied to structures
having the appearance of parallel teeth arising from a straight
F
back (eg. musculi pectinati) pectineal: adj.
G
pectineus: Lt., pecten = a comb; hence the muscle attaching to
the pecten (pectineal line) of the pubic bone.
H
pectoral: adj. Lt. pectoris = of the front of the chest.
I
pectoralis: adj. Lt. pectoris = of the front of the chest.
pedicle: diminutive of Lt. pedis = of the foot.
J pedis: Lt. = of the foot.
peduncle: variation of pedicle.
K
pellucidum: adj. Lt. per = through, and lucere - to shine;
L
translucent.
pelvis: Lt. = basin, adj.- pelvic.
M
Penis (PEE-nihs) the external reproductive organ of the male through
N
which most of the urethra extends.
penis: Lt. = tail, the male organ of copulation (cf. appendix,
O
appendage).
P
pennate: Lt. penna = feather; hence, a muscle whose fibres
approach the tendon from one direction is unipennate; from two,
Q bipennate, and from more than two, multipennate.
pennatus: (pinnate) - adj. Lt. penna = feather; hence, a muscle
R
whose fibres approach the tendon from one direction is
S
unipennate; from two, bipennate, and from >2, multipennate.
per- through / excessive
T
peri- around, about / beyond
U
perianal: adj.Gk. peri = around, and Lt. anus = lower opening of
alimentary canal.
V
Pericardial (pear’-ih-KAR-dee-ahl) cavity a narrow space b/n the
W
outer wall of the heart (the visceral pericardium) & the parietal
pericardium. It contains pericardial fluid.
X Pericardium (pear’-ih-KAR-dee-uhm) the serous membrane
associated with the heart, composed of two layers, an inner visceral
Y
pericardium and an outer parietal pericardium.
Z
pericardium: Gk. peri = around, and kardia = heart; hence, the
membranes enclosing the heart.
127 © A. L. Neill
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