Peripheral Nerve System

Abducens Nerve

sixth cranial nerve responsible for contraction of one of the extraocular muscles

Cauda Equina

bundle of spinal nerve roots that descend from the lower spinal cord below the first lumbar vertebra and lie within the vertebral cavity has the appearance of a horse's tail

Facial Nerve

seventh cranial nerve ; responsible for contraction of the facial muscles and for part of the sense of taste , as well as causing saliva production

Glossopharyngeal Nerve

ninth cranial nerve responsible for contraction of muscles in the tongue and throat and for part of the sense of taste , as well as causing saliva production

Hypoglossal Nerve

twelfth cranial nerve responsible for contraction of muscles of the tongue

Intercostal Nerve

systemic nerve in the thoracic cavity that is found between two ribs

Oculomotor Nerve

third cranial nerve ; responsible for contraction of four of the extraocular muscles , the muscle in the upper eyelid , and pupillary constriction

Olfactory Nerve

first cranial nerve ; responsible for the sense of smell

Optic Nerve

second cranial nerve ; responsible for visual sensation

Spinal Accessory Nerve

eleventh cranial nerve ; responsible for contraction of neck muscles

Trigeminal Nerve

fifth cranial nerve ; responsible for cutaneous sensation of the face and contraction of the muscles of mastication

Trochlear Nerve

fourth cranial nerve ; responsible for contraction of one of the extraocular muscles

Vagus Nerve

tenth cranial nerve ; responsible for the autonomic control of organs in the and upper abdominal cavities

Vestibulochlear Nerve

Eighth cranial nerve; responsible for the sensations of hearing and balance