the peripheral nervous system
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14 Terms
what does the PNS consist of
cranial nerves
spinal nerves
what are the 2 divisons of the pns
sensory (afferent) division
motor (efferent) division
what are bundles of nerve fibres called
fasciciles
how many pairs of cranial nerves are there in the PNS
12
how many pairs of spinal nerves are there in the PNS
31
what are peripheral nerves composed of
axons/dendrites
how are cranial nerves labelled
by their location on the brain stem (superior to inferior medial to lateral) and the order in which they exit the cranium
what do cranial nerves serve
the head and the neck and the vagus nerve in the abdomen
break down the 31 spinal nerves
8 cervical pairs
12 thoracic pairs
5 lumbar
5 sacral
1 coccygeal pair
what do mixed nerves arise from
rootlets of the anterior and posterior horns of the spinal cord
what do spinal nerve roots converge to form
spinal nerve
Note 
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