general organization of the nervous system Flashcards
(7 cards)
central nervous system parts
cerebrum, diencephalon, basal ganglia, brain stem, cerebellum, spinal cord
parts of the diencephalon
thalamus, hypothalamus, epithalamus and subthalamus
parts of the basal ganglia
caudate nucleus, globus pallidus, putamen, claustrum, amygdala
Axes of the brain stem and spinal cord
up/down is superior/inferior or rostral/caudal
front/back is anterior/posterior or ventral/posterior
what is the name of a bundle of pathway axons
tract, fasciculus, peduncle, or lemniscus in CNS
nerves in PNS
spinal nerve exit points
31 pairs of spinal nerves
C1-C7 exit over the corresponding vertebrae
C8 has no corresponding vertebrae
T1-L1 exit below corresponding vertebrae
L2-S5 = cauda equina and exit by corresponding vertebrae
clivus
a region of bone that looks like a slide extending to the foramen magnum, the pons lies against it