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rc, thiourea and sodium ine nerve that co Ar 03te tasting papers the superior nasal cayj 4, CN [V: Trochlear Nerve. The trochlear nerve ( eye muscles that moves the eyeball (the superior oblique muscle) s, ON V: Trigeminal’ Nerve. The trigeminal nerve (try-JEM-in-uhl; branches. It provides sensory innervation from the face and ma *. 6. CN VE: Abducens Nerve. The abducens nerve (ab-DOO-senz; abduc- innervates the final extrinsic eye muscle (the la teral rectus muscle). Optic nerve CN || Optic chiasma Trochlear nerve CN IV Pons Facial nerve CN VII Glossopharynageal nerve CN IX Hypoglossal nerve CN XIl Accessory nerve CN XI TROH-klee-ur) ; Insi klee-ur) is a small motor nerve that innervates one of the six extrinsic ists , : of the axons of olfactory neurons in the olfactory epithelium in he opti : o per a (AHP-tik; opt- = “vision”) is also a purely sensory nerve vision. Its axons emerge from the retina of the eye and meet at | : pot the nerves partially exchange axons before diverging to form rom each eye is carried to both lobes of the brain. ree ee ee ete Eee TE = ‘threefold”) is a large mixed nerve named for its three 14 tor innervation to the muscles of mastication (chewing). “pulling to the side”) is a small motor nerve that Oculomotor nerve CN III Abducens nerve CN VI Temporal lobe Trigeminal nerve CN V Cerebellum Vestibulocochlear nerve CN VIII Vagus nerve CN X Medulla oblongata FIGURE 14.3 Inferior view of the brain with the cranial nerves. rr 
