Template talk:Cranial Nerve Table
From Embryology
There are twelve pairs of cranial nerves; they are attached to the brain and are transmitted through foramina in the base of the cranium. The different pairs are named from before backward as follows:
| Cranial Nerves | ||||
|---|---|---|---|---|
| Nerve Number | Name | Type | Origin | Function |
| CN I | Olfactory | sensory | telencephalon | smell placode |
| CN II | Optic | sensory | retinal ganglial cells | vision |
| CN III | Oculomotor | motor | anterior midbrain | extraocular muscles eye movements and pupil dilation (motor) |
| CN IV | Trochlear | motor | dorsal midbrain | extraocular muscles (superior oblique muscle) |
| CN V | Trigeminal | motor/sensory | pons | touch, mastication |
| CN VI | Abducent | motor | extraocular muscles | control eye movements (lateral rectus muscle) |
| CN VII | Facial | motor/sensory | pons | facial expression, taste (tongue anterior and central regions) regulate salivary production. |
| CN VIII | Acoustic | sensory | vestibular and cochlear nuclei | hearing, placode |
| CN IX | Glossopharyngeal | motor/sensory | medulla | swallowing and speech, taste (tongue posterior region) |
| CN X | Vagus | motor/sensory | medulla | larynx and pharynx muscles (speech and swallowing), regulates heartbeat, sweating, and peristalsis |
| CN XI | Accessory | motor | motor neurons | sternocleidomastoid and trapezius muscles |
| CN XII | Hypoglossal | motor | motor neurons | tongue muscles (speech, eating and other oral functions) |
| Cranial Nerves | |
|---|---|
| CN I | Olfactory |
| CN II | Optic |
| CN III | Oculomotor |
| CN IV | Trochlear |
| CN V | Trigeminal |
| CN VI | Abducent |
| CN VII | Facial |
| CN VIII | Acoustic |
| CN IX | Glossopharyngeal |
| CN X | Vagus |
| CN XI | Accessory |
| CN XII | Hypoglossal |
|} 1st. Olfactory. 7th. Facial. 2d. Optic. 8th. Acoustic. 3d. Oculomotor. 9th. Glossopharyngeal. 4th. Trochlear. 10th. Vagus. 5th. Trigeminal. 11th. Accessory. 6th. Abducent. 12th. Hypoglossal.
