BRAIN
CRANIAL NERVES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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large somatic branches which innervate the expressionary muscles
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Facial nerve
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Trigeminal nerve
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Trochlear nerve
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Accessory nerve
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Explanation:
Detailed explanation-1: -The branches are, from top to bottom: frontal (or temporal), zygomatic, buccal, marginal mandibular, and cervical. Each of these branches provides input to a group of muscles of facial expression.
Detailed explanation-2: -The sensory innervation to the face comes from the trigeminal nerve which is the only cranial nerve that arises directly from the pons. Its three branches are the Ophthalmic (V1), Maxillary (V2) and Mandibular (V3). Each of those branches supplies the corresponding region on the face.
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