The A to Z of Anatomical Histological and Medical terms
A
Spermatozoa: = sperm cells. They are the formed male gametes
B
produced by meiosis from cells w/n the walls of seminiferous tubules
of the testes. Individual spermatozoa are capable of locomotion due to
C the presence of a single flagellum.
Spermatic cord (spehr-MAH-tihk kord) a narrow bundle of tissue in
D
the male reproductive system extending from the epididymis to the
E
inguinal canal, consisting of the ductus deferens, cremaster muscle,
BVs, lymphatics, nerves, and CT.
F
sphen- wedge (sven)
G
sphenoid: adj. Gk. sphen = wedge, and eidos = shape or form;
hence the unpaired bone which is wedged into the base of the
H
skull b/n the unpaired frontal and occipital.
I
sphincter- tightening associated with a ring of muscle
(sfinkter)
J sphincter: Gk. sphinkter = a tight binder; ie a circular muscle
which closes an orifice; adj.- sphincteric.
K
Spinal cord a long, narrow organ of the CNS that extends through
L
the vertebral canal & connects the PNS with the brain.
Spinal nerve one of 31 pairs of nerves that extend b/n the SC and
M
another part of the body.
N
spine: Lt. spina = a thorn; a sharp process, or a lay term for the
vertebral column; adj.spinous, spinal.
O
spir- coiled, respiration, breath
P
sphygm- pressure, pulse
splanchnic: adj. Gk. splanchnon = a viscus or internal organ;
Q hence pertaining to viscera.
Splanchocranium (spl-ANK-noh-KRAY-nee-uhm) that part of the
R
skull containing the facial bones. Spleen a soft, glandular organ that
S
is part of the lymphatic system and is located in the upper left region
of the abdomen behind the stomach.
T
spleen: Lt. splen = the spleen; hence; adj.- splenic (Lt. - lien).
U
Spongy bone One of2 types of bone tissue, characterized by the
presence of spaces filled with red marrow b/n thin bone spicules
V
called trabeculae.
W
squama: Lt. = a scale (as of fish or reptile); adj.- squamous.
Squamous (SKWA-muhs) flat, scalelike, square-like.
X squamous: adj.Lt. squama = a scale (as of fish or reptile), hence
scale-like.
Y
stapes: Lt. = stirrup; adj.- stapedial, stapedius.
Z
stas- stopped
143 © A. L. Neill
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