Cranial Nerve Functions Flashcards
SP
special proprioception
GSA
general somatic afferent
GSE
general somatic efferent
GVA
general visceral afferent
GVE
general visceral efferent: PNS or PSNS (CrN III, VII, IX, X)
SSA
special somatic afferent
SVA
special visceral afferent
SVE
special visceral efferent
olfactory N
SVA: smell
optic N
SSA: vision
oculomotor N
GVE: PNS control of ciliary, papillary sphincter Mm; GSE: motor to dorsal, ventral, medial rectus Mm, ventral oblique and levator palpebral superioris Mm
trochlear N
GSE: motor to dorsal oblique M
trigeminal N
V1 (ophthalmic N): GSA; V2 (maxillary N): GSA; V3 (mandibular N): SVE - motor to muscles of mastication, also sensory
abducent N
GSE: motor to lateral rectus and retractor bulbi Mm
facial N
SVE: motor to superficial Mm of head and face, caudal belly of digastricus M, platysma, stylohyoideus, stapedius; SVA: sensory to rostral 2/3 of tongue via chorda tympani N; GSA: sensory to concave surface of ear and ear canal via internal auricular branches (CrN X); GVE: PNS, lacrimal, nasal, palatine glands via pterygopalatine ggl, mandibular and sublingual glands via mandibular and sublingual ggl
vestibulocochlear N
vestibular SP: balance, equilibrium; cochlear SP: hearing
glossopharyngeal N
SVA: sensory to taste of caudal third of tongue; GVA: sensory to caudal third of tongue, pharynx, palate; carotid sinus baro- and chemoreceptors; SVE: motor to striated muscles of pharynx; GVE: PNS, to parotid gland, carotid sinus baro- and chemorecptors
vagus N
SVE: motor to pharyngeal muscles, intrinsic muscles of the larynx (recurrent laryngeal N), cricothyroideus M (cranial laryngeal N); GVA: sensory to pharynx, larynx, thoracic and abdominal viscera; GVE: PNS to pharynx, larynx, trachea, esophagus, thoracic and abdominal viscera
accessory N
SVE: motor to muscles of the neck and forelimb muscles of brachial arch origin
hypoglassal N
GSE: motor to muscles tongue
