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The hypoglossal nerve, also known as cranial nerve XII, is primarily responsible for motor control of the muscles of the tongue, which is crucial for speech and swallowing. Damage to this nerve can result in tongue weakness or atrophy, leading to difficulties with speech articulation and swallowing.
Hypoglossal nerve palsy results in the paralysis or weakness of the tongue muscles, leading to difficulties in speech, chewing, and swallowing. It is often caused by lesions or damage to the hypoglossal nerve, which controls the movements of the tongue.
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