Body Parts

alpha receptor
receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasoconstriction and relaxation of intestinal muscles and contraction of smooth muscles)
 
proboscis
the human nose (especially when it is large)
 
tibialis posterior
a deep muscle of the leg
 
blood vessel
a vessel in which blood circulates
 
hypogastric vein
a vein that unites with the external iliac vein to form the common iliac vein
 
vena cephalica accessoria
a vein that passes along the radial edge of the forearm and joins the cephalic vein near the elbow
 
otic ganglion
an autonomic ganglion whose postganglionic fibers are distributed to the parotid gland
 
maxillary
the jaw in vertebrates that is fused to the cranium
 
cytoskeleton
a microscopic network of actin filaments and microtubules in the cytoplasm of many living cells that gives the cell shape and coherence
 
side
either the left or right half of a body
 
beak
horny projecting mouth of a bird
 
thalamus
large egg-shaped structures of grey matter that form the dorsal subdivision of the diencephalon
 
hock
tarsal joint of the hind leg of hoofed mammals; corresponds to the human ankle
 
bullethead
a head shaped like a bullet
 
skeletal structure
any structure created by the skeleton of an organism
 
vena basilica
a vein that drains the back of the hand and forearm and empties into the axillary vein
 
pectoral vein
veins that drain the pectoral muscles and empty into the subclavian vein
 
cephalic vein
a large vein of the arm that empties into the axillary vein
 
venation
(zoology) the system of venous blood vessels in an animal
 
cerebrum
anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans
 
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