Seventh Cranial Nerve

The seventh cranial nerve (CNVII) is also named the facial nerve. It mainly provides motor innervation to the muscles of the face, and also a small amount of sensory information for the tongue. The facial nerve allows you to make different facial expressions.

Location and Course

All cranial nerves (all nerves for that matter) have a nucleus (cell body) and axon (that carries nerve impulses away from the nucleus to other structures). There are two nuclei of CNVII - the facial motor nucleus and the superior salivatory nucleus. The distribution of the facial nerve is somewhat complex.

A quick review of the location and destination of CNIV: -Starts in the PONS

Facial Nerve Problems

Damage to the facial nerve can occur anywhere along its long path.

Facial Nerve Palsy

Resources: https://www.ncbi.nlm.nih.gov/books/NBK526119/

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