Mixed nerve

A mixed nerve is any nerve that contains both sensory (afferent) and motor (efferent) nerve fibers. All 31 pairs of spinal nerves are mixed nerves. Four of the twelve cranial nerves – V, VII, IX and X are mixed nerves.

Examples

Spinal nerves The 31 pairs of spinal nerves are mixed. 8 cervical nerves 12 thoracic nerves 5 lumbar nerves 5 sacral nerves 1 coccygeal nerve

Cranial nerves Four of the cranial nerves are mixed nerves.

Trigeminal nerve (CN V) Facial nerve (CN VII) Glossopharyngeal nerve (CN IX) Vagus nerve (CN X)

References