course
in brainstem turns around nucleus of abducens nerve and leaves pons at pontocerebellar angle - runs in cerebral fossa - into internal acoustic meatus - facial canal - leaves skull via stylomastoid fore=amen - enters parotid gland - form parotid plexus
branches and innervation
chorda tympani - innervates submandibular and sublingual glands
temporal branches - forehead muscles and temporal region
zygomatic branches - zygomatic muscles and muscles of nose
buccal branches - cheek and upper lip
cervical branch - platysma