HEAD NECK
PHARYNX LARYNX 47
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which muscle is supplied by CNIX (Glossopharyngeal Nerve)?
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Scalpingopharyngeus
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Palatopharyngeus
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Stylopharyngeus
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None of the above
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Explanation:
Detailed explanation-1: -As stated above, the glossopharyngeal nerve provides motor innervation to the stylopharyngeus muscle, which is responsible for elevating the pharynx and larynx.
Detailed explanation-2: -The pharyngeal branch of the ascending pharyngeal artery (branch of external carotid artery) supplies the stylopharyngeus muscle.
Detailed explanation-3: -CN IX (glossopharyngeal nerve) CN IX has a parasympathetic, motor, and sensory innervation. Motor fibers from the nucleus ambiguus innervate the stylopharyngeus muscle and participate in the innervation of the pharyngeal muscles for swallowing.
There is 1 question to complete.