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7 lis 2022 · The hypoglossal nerve is the 12th cranial nerve (CN XII). It is mainly an efferent nerve for the tongue musculature. The nerve originates from the medulla and travels caudally and dorsally to the tongue (see Image.
The Hypoglossal nerve is the 12th cranial nerve s that originate from the medulla obligate of the brain stem. It innervates all the extrinsic and intrinsic muscles of the tongue, except for the palatoglossus which is innervated by the vagus nerve. It is a nerve with a solely motor function.
10 wrz 2024 · Damage to the hypoglossal nerve is a relatively uncommon cranial nerve palsy. Possible causes include head & neck malignancy and penetrating traumatic injuries. If the symptoms are accompanied by acute pain, a possible cause may be dissection of the internal carotid artery.
14 sie 2024 · Hypoglossal nerve damage symptoms. If you have hypoglossal nerve damage, your tongue weakens on the side that’s affected. It will eventually waste away (atrophy), leading to paralysis of your tongue. Because of this, you may have trouble swallowing, chewing and/or speaking.
Nerve Damage Symptoms. Diagnosis and Treatment. The function of the hypoglossal nerve is to enable your tongue to move. It's the 12th cranial nerve, and it helps you speak, swallow, and move food and liquid around in your mouth. Damage to this nerve can affect speech, chewing, and swallowing.
1 kwi 2023 · Introduction. The hypoglossal nerve is the 12th cranial nerve (CN XII), an entirely motor cranial nerve composed of somatic motor fibers. It is responsible for tongue motion, associated with swallowing, phonation/speaking, and respiration functions. Also, this nerve provides innervation for the infrahyoid strap muscles, through the ansa cervicalis.
20 maj 2024 · The hypoglossal nerve (CN XII) is exclusively a motor nerve carrying general somatic efferent fibers (GSE). It innervates all intrinsic and almost all extrinsic muscles of the tongue, as well as one suprahyoid muscle, the geniohyoid muscle.
