| Cranial Nerve XI - Accessory Nerve | Page 1 of 9 |
Overview
The accessory nerve has a cranial root and a spinal root, both of which consist of branchial motor fibers.
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Branchial motor - cranial root (special visceral efferent) |
Innervates muscles of larynx and pharynx. |
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Branchial motor - spinal root (special visceral efferent) |
Innervates the trapezius and sternocleidomastoid muscles. |
Figure 11-1. Overview of the accessory nerve.
