Unit 3 nerves Flashcards
(12 cards)
olfactory nerve
(1) cerebrum, special sensory: olfaction
Optic nerve
(II) cerebrum, special sensory: vision
Oculomotor nerve
(III) midbrain, Motor: extraocular; oculomotor nucleus. Preganglionic parasympathetic: ciliary ganglion; Edinger-Westphal nucleus
Trochlear nerve
(IV) dorsal midbrain, Motor: extraocular; trochlear nucleus
Trigeminal nerve
(V) pons, general sensory: scalp, face, cornea, nasal cavity, oral cavity, teeth, pharynx, muscles of mastication, tongue, extraocular, palate and surahyoid; trigeminal ganglion and mesnecephalic nucleus. Motor: mastication, palate, middle ear and surahyoid, trigeminal motor nucleus
Abducens nerve
(VI) pons, Motor: extraocular, abducens nucleus
Facial nerve
(VII) pons, Special Sensory: tatste, anterior 2/3rds tongue and palate, geniculate ganglion. Motor: facial expression, middle ear and suprahyoid; facial nucleus. Preganglionic parasympathetic: pterygopalatine and submandibular ganglia; superior salivatory nucleus
Vestibulocochlear nerve
(VIII) pons, Special Sensory: hearing; cochlear (spiral) ganglion and equilibrium; vestibular (Scarpa’s) ganglion
Glossopharyngeal nerve
(IX) medulla. Special sensory: taste, posterior 1/3rd tongue; superior and inferior ganglia. General Sensory: pharynx and middle ear; superior and inferior ganglia.
Motor: pharynx
Preganglionic parasympathetic: otic ganglion; inferior salivatory nucleus.
Vagus nerve
(X) medulla. Special sensory: taste, posterior tongue/epiglottis; superior (jugular) and inferior (nodose) ganglia.
General sensory: external ear, pharynx, larynx, and viscera; superior (jugular) and inferior (nodose) ganglia.
Motor: muscles of palate, pharynx and larynx.
Preganglionic parasymp- no ganglia
Accessory nerve
(XI) cervical spinal cord. Motor: SCM and trapezius
Hypoglossal nerve
(XII) medulla. Motor: muscles of tongue
