Book 4 - Self Instructional Manual for Cancer Registrars - SEER ...

Cranial NervesThe Cranial nerves carry impulses to or from the brain.Cranial Nerves Motor Function Sensory_FunctionI Olfactory None SmellII Optic None SightIII Oculomotor All eye muscles except thesuperior oblique and theexternal rectus; alsoinnervates the iris and ciliarybodyIV Trochlear Superior oblique muscleEye movementV Trigeminal Muscles of mastication Sensations from eye, face,sinuses, and teethVI Abducens External rectus muscleEye movementVII Facial Facial muscles, submaxillary Tactile and taste sensationsand sublingual salivary glands from the anterior 2/3's oftongue and soft palateVIII Acoustic: None(2 branches)CochlearVestibularHearingEquilibrium/balanceIX Glossopharyngeal Pharyngeal muscles and Tactile and taste sensationsparotid gland from the posterior 1/3 oftongue, tonsils, pharynx, andcarotid sinusesX Vagus Pharynx, larynx, heart, lungs, Sensations to the heart, lungs,bronchi, and digestive tract bronchi, trachea, pharynx,digestive system, and externalearXI Spinal Accessory Sternomastoid, trapezius, andconstrictor muscles ofpharynx, larynx, and softpalateXII Hypoglossal Strap muscles of neck andtongue muscles4O3