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What are special visceral efferent nerves?
Special visceral efferent fibers innervate skeletal muscle derived from the branchial arches.
Which cranial nerves carry special visceral efferent nerves?
They are carried by the following cranial nerves: V (muscles of mastication, first branchial arch), VII (muscles of facial expression, second branchial arch), IX (stylopharyngeus muscle, third branchial arch), X (muscles of the soft palate and pharynx, fourth branchial arch), and XI (muscles of the larynx/sternocleidomastoid (SCM)/trapezius, sixth branchial arch).
