The facial nerve is the seventh cranial nerve, or simply CN VII. It emerges from the pons of the . Orbicularis oculi, responsible for blinking. Thus, the corneal reflex effectively tests the proper functioning of both Cranial Nerves V and VII.
Facial nerve paralysis is a common problem that involves the paralysis of any structures innervated by the facial nerve. The pathway of the facial nerve is long.
The facial nerve exits the brain stem from its venterolateral surface at the cerebellopontine angle. It consists of two parts: a proper facial nerve.