Your facial nerve goes through your temporal bone and emerges from your stylomastoid foramen. What Does the Facial Nerve Do? The facial nerve has four primary functions.

This nerve has its origins in the pons and winds its way through the skull, before exiting through the stylomastoid foramen on the temporal bone. Cranial nerve VII 7, with facial canal Highlighting.

The left facial nerve was transected at the stylomastoid foramen, and the animals were killed using CO 2 after a survival time of 7 d 22.