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peripheral nervous system
the section of the nervous system lying outside the brain and spinal cord AKA PNS
outermost layer of connective tissue on the spinal nerve; a dense network of collagen fibers
AKA afferent nerves, carry messages to the brain & spinal cord from a receptor; afferent nerves
CN I the nerve that carries impulses from olfactory receptors in the nose to the brain
CNIV either of the two cranial nerves on either side that control the superior oblique muscles of the eyes
CNVII; mixed nerve that controls muscles of the scalp and face. provides sensations over the face and receives taste information from the tongue.
CN X a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera
CNXI; has an internal branch which innervates voluntary swallowing muscles of the soft palate and pharynx, and an external branch, which controls muscles associated with the pectoral girdle
spinal nerves T2 - T12 pass anteriorly as the intercostal nerves to supply the muscles of the anterior and lateral trunk
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