What motor fibers do the pharyngeal nerves carry?

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Prepare for the Pharyngeal Apparatus Test with insightful multiple choice questions. Dive into detailed explanations and hints to ensure success. Get exam ready today!

Multiple Choice

What motor fibers do the pharyngeal nerves carry?

Explanation:
Pharyngeal muscles come from the pharyngeal arches, so their motor supply is through branchial (special visceral) efferent fibers. These SVE fibers innervate skeletal muscles of the pharynx and palate, such as the pharyngeal constrictors and related muscles. They are not autonomic (that would be GVE) and not general somatic motor (that would be GSE, like tongue muscles from somites), nor sensory (SSA, which covers taste or other special senses). So the pharyngeal nerves carry special visceral efferent motor fibers.

Pharyngeal muscles come from the pharyngeal arches, so their motor supply is through branchial (special visceral) efferent fibers. These SVE fibers innervate skeletal muscles of the pharynx and palate, such as the pharyngeal constrictors and related muscles. They are not autonomic (that would be GVE) and not general somatic motor (that would be GSE, like tongue muscles from somites), nor sensory (SSA, which covers taste or other special senses). So the pharyngeal nerves carry special visceral efferent motor fibers.

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