Special visceral efferent fibers

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Special visceral efferent fibers (SVE) are the efferent nerve fibers that provide motor innervation to the muscles of the pharyngeal arches in humans, and the branchial arches in fish.[1]

Some sources prefer the term "branchiomotor",[2] or "branchial efferent".[3]

The only nerves containing SVE fibers are cranial nerves: the trigeminal nerve (V), the facial nerve (VII), the glossopharyngeal nerve (IX), the vagus nerve (X) and the accessory nerve (XI).[4]


  1. ^ cranialnerves at The Anatomy Lesson by Wesley Norman (Georgetown University)
  2. ^ Definition: branchiomotor nuclei from Online Medical Dictionary
  3. ^ "ana.ed.ac.uk". Retrieved 2008-02-17.
  4. ^ Drake et al. (2010), Gray's Anatomy for Students, 2nd Ed., Churchill Livingstone.

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