ANA300Y1 Midterm: CRANIAL NERVES
Document Summary
Some: opium optic, occupies - . Marry: troubled - trochlear money, triathletes - . But: after - abducens, finishing - facial. Olfactory information from olfactory epithelium in roof of nasal cavity. Sends psy info to constrictor muscles of pupil. Mandibular sensory & motor (motor: involved in mastication) *side note: trigeminal ganglion houses 1 cell bodies. Taste (special sense) from anterior 2/3 of the tongue. Motor output to muscles of facial expression. Parasympathetic info to divisions above and below the oral fissure: vegas - . Balance info from vestibular division. Taste from posterior 1/3 of tongue. Exits cranium via air cells of the cribriform plate (ethmoid bone) Exits cranium via optic foramen. Exits via superior orbital fissure. Ophthalmic: exits via superior orbital fissure. Maxillary: exits via foramen rotundum. Mandibular: exits via foramen ovale. Taste: first order neuronal bodies found in geniculate ganglion; axons extend via chorda tympani. Motor output: axons leave the stylomastoid foramen. Exits cranium via internal auditory (acoustic) foramen.
