Structure. The facial nerve then passes through the parotid gland, which it does not innervate, to form the parotid plexus, which splits into five branches innervating the muscles of facial expression (temporal, zygomatic, buccal, marginal mandibular, cervical).From: facial nerve nucleus, intermediate nerve.
1) runs with facial nerve through facial canal. 2) enters tympanic cavity. 3) runs over inner tympanic membrane and crosses the handle of the malleus. 4) leaves tympanic cavity through the .
Facial nerve. The nerve that controls your facial muscles passes through a narrow corridor of bone on its way to your face.