The A to Z of Anatomical Histological and Medical terms
sinistro-left
A
Sinus (SI-nuhs) a space w/n a bone lined with mucous membrane,
B
such as the frontal and maxillary sinuses in the head. (also, a modified
BV usually vein with an enlarged lumen for blood storage and C
containing no or little muscle in its wall).
sinus: Lt. = a hollow or space which may contain air, venous or
D
arterial blood, lymph or serous fluid; adj.sinusoid.
E
Sinusoids an extensive network of vessels that may be found in the
liver, pancreas, spleen, and adrenal cortex, which are similar in
F
structure to capillaries only “leakier”.
G
Skeletal muscle tissue one of 3 types of muscle tissue in the body
characterized by the presence of visible organized striations and under
H
conscious control over its contraction. It attaches to bones to form the
muscles of the body.
I
Skull (sk-UHL) this a term for all the bones of the head J
Small intestine the organ of the alimentary canal located b/n the
stomach and the large intestine that functions in the final digestion,
K
filtration and absorption of nutrients.
L
Smooth muscle one of 3 types of muscle tissue in the body
characterized by the lack of visible striations, with automatic and
M
autonomic contractile function. It forms part of the walls of hollow
N
organs and BVs.
sole: the lower surface of the foot - see soleus.
O
soleus: adj. Lt. solea = flatfish or sandal; soleus muscle does not
enter the sole of the foot, but resembles the fish.
P
solitarius: Lt. = solitary, alone. Q
Soma (SOH-mah) pertaining to the body or the main part of an organ
or a cell
R
soma: Gk. = the body.
S
somatic: adj.Gk. soma = the body; hence, pertaining to the body
frame but not to its viscera.
T
Somatic nervous system the component of the PNS that conveys
U
impulses associated with conscious sensory and motor activities.
somite: Gk. soma = body, hence an embryonic body segment.
V
somn- sleep
spano- few scanty
W
spasm: Gk. spasmos = an involuntary contraction of a muscle; X
adj.- spastic, or spasmodic.
sperma: Gk. = seed or semen, adj.spermatic.
Y
Z
© A. L. Neill 142
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