12 Days of Cranial Nerves - Day 12
- posted: Jul. 23, 2020
The Hypoglossal Nerve (Cranial Nerve XII)
The hypoglossal nerve is the twelfth cranial nerve, and innervates all the extrinsic and intrinsic muscles of the tongue, except for the palatoglossus which is innervated by the vagus nerve. It is a nerve with a solely motor function[1]. It starts in the medulla oblongata and moves down into the jaw, where it reaches the tongue[2].
References:
- https://en.wikipedia.org/wiki/Hypoglossal_nerve Opens in new window
- https://www.healthline.com/health/12-cranial-nerves#xii.-hypoglossal-nerve Opens in new window
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