Cranial Nerve Structures Innervated Flashcards
OLFACTORY
Olfactory nasal mucosa (smell)
OPTIC
RETINA
OCULOMOTOR
LR6(SO4)3
1) (via ciliary ganglion) to sphincter pupillae &
ciliary muscles
2) sup., med., & inf. recti and inf. obl. eyeball
muscles and levator palpebrae superioris
TROCHLEAR
LR6(SO4)3
Superior oblique eyeball muscle
TRIGEMINAL Ophthalmic
Skin of upper part of face (upper orbit and above)
TRIGEMINAL Maxillary
"PUNS" Palatal mucosa Upper teeth Nasal mucosa Skin of mid face
TRIGEMINAL Mandibular
Skin of lower face & jaw Floor of mouth Mucosa of ant. 2/3 of tongue Lower teeth Gums Ear pinna and canal
ABDUCENS
LR6(SO4)3
Motor to lateral rectus muscle
FACIAL
1) Deep sens - soft palate
2) Taste buds - anterior 2/3 tongue
3) Small part of ear pinna
4) Motor to “SNL”
Submand. & subling. gls
Nasal mucosa. glands
Lacrimal glands
5) “PSS, FACIAL”
Post. belly diagast.
Stylohyoid
Stapedius
Facial expression motor to muscles
AUDITORY
“Cortien plays organ in cochlear duct to an oracle in the semicircular canals with a massive sack”
Organ of Corti in cochlear duct
Semicircular canals, utricle & saccule
GLOSSOPHARYNGEAL
1) Deep sense: (MP3s) Mucosa of tymp. cavity P(3)ost. auditory tube & tongue, pharynx SSoft palate &carotid body & sinus 2) Taste buds: post 1/3 tongue & adjacent pharynx 3) Small part ear pinna & canal 4) Parotid salivary gland (secretomotor) 5) Stylopharyngeaus muscle
VAGUS
1) Visc. sense - "PLEAT" Pharynx Larynx Esoph Abdom. visc Trachea 2) Taste buds in epiglottis and glottis 3) Ear pinna, canal, & tympanic Membrane 4) Viscera - thoracic and abdominal 5) Pharynx and larynx, lev. palatini & cricothyroid muscles
SPINAL ACCESSORY
Motor to sternocleidomastoid and trapezius
HYPOGLOSSAL
Intrinsic and extrinsic muscles of the tongue
palatoglossus excepted
Function of all trigeminals
Motor to muscles of mastication
Mylohyoid
Ant. belly of digast.,
Tensors: tympani, palatini
