upper airway Flashcards
facial nerve: describe the intracranial and intra-petrous course and relationships of its major branches to the middle ear
where is the facial nerve nucleus
lateral surface of brainstem between pons and medulla
what does the large motor facial nerve innervate
muscles of facial expression, stapedius, digastric (posterior belly), stylohyoid
function of sensory facial nerve (smaller intermediate nerve) via stylomastoid foramen before branching to form chorda tympani
PSNS innervation to lacrimal glands, mucous glands of nasal cavity and hard and soft palates
2 functions of facial nerve (smaller intermediate nerve) via stylomastoid foramen after becoming chorda tympani and joining with lingual nerve (CN V3)
taste from anterior 2/3 tongue, PSNS innervation to sublingual and mandibular glands
what else does the sensory facial nerve get general sensation via internal autitory meatus
external acoustic meatus, deeper parts of auricle
