Cranial Nerves
| Nerve | Origination | Purpose | Innervation |
|---|---|---|---|
| I - Olfactory | Cerebrum | Olfaction Smell | Sensory |
| II - Optic | Cerebrum | Vision | Sensory |
| III - Oculomotor | Midbrain | Eye Movement Pupillary Constriction Accommodation | Motor |
| IV - Trochlear | Midbrain | Eye Movement with Superior Oblique | Motor |
| IX - Glossopharyngeal | Medulla Oblongata | Taste Posterior 1/3 of Tongue Swallowing Salivation Sensory Information from Carotid Sinus | Sensory & Motor |
| V - Trigeminal Branches: V1 - Ophthalmic, V2 - Maxillary, V3 - Mandibular | Pons | Corneal & Facial Sensation Mastication | Sensory & Motor |
| VI - Abducens | Pontomedullary Region | Eye Movement with Lateral Rectus | Motor |
| VII - Facial Branches: Posterior Auricular, Temporal, Zygomatic, Buccal, Mandibular, Cervical | Pontomedullary Region | Facial Expression Taste Anterior 2/3 of Tongue Lacrimation Salivation | Sensory & Motor |
| VIII - Vestibulocochlear | Pontomedullary Region | Hearing Equilibrium | Sensory |
| X - Vagus | Medulla Oblongata | Taste Swallowing Palate Elevation Speech Slowing Heart Rate | Sensory & Motor |
| XI - Accessory | Medulla Oblongata & Cervical Spinal Cord | Head Turning Shoulder Shrugging | Motor |
| XII - Hypoglossal | Medulla Oblongata | Tongue Movement | Motor |