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The hypoglossal nerve, also known as the twelfth cranial nerve, cranial nerve XII, or simply CN XII, is a cranial nerve that innervates all the extrinsic and intrinsic muscles of the tongue except for the palatoglossus, which is innervated by the vagus nerve.
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.
10 wrz 2024 · The hypoglossal nerve arises from the hypoglossal nucleus in the medulla oblongata of the brainstem. It then passes laterally across the posterior cranial fossa, within the subarachnoid space. The nerve exits the cranium via the hypoglossal canal of the occipital bone.
12 kwi 2019 · Cranial nerve XII is the hypoglossal nerve, a somatic motor nerve so named for its literal translation of “under” and “tongue.” In this article, we discuss the structure and function of the hypoglossal nerve, before describing the clinical relevance of this nerve.
18 cze 2022 · The hypoglossal nerve (CN XII) is the twelfth cranial nerve that innervates the muscles of the tongue. Learn about its gross anatomy, branches, radiographic features and related pathology on Radiopaedia.org.
The hypoglossal nerve (CN XII) is a motor nerve that supplies general somatic efferent fibers to all intrinsic skeletal muscles of the tongue, three of the four extrinsic tongue muscles (except for the palatoglossus), and geniohyoid muscle, providing tongue movements, speech, and such function as swallowing.
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.
