hypoglossal - significado y definición. Qué es hypoglossal
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Qué (quién) es hypoglossal - definición

12TH CRANIAL NERVE
Twelfth cranial nerve; Hypoglossal; Hypoglossal nerve diseases; CN XII; Ramus descendens hypoglossi; Lingual branches of hypoglossal nerve; CN-12; XII cranial nerve; Hypoglossal Nerve; Cranial Nerve XII; Hypoglossus nerve; Cranial nerve 12; 12th cranial nerve; Nervus hypoglossus; Hypoglossus; Hypoglossal nerves; Hypoglossus nerves; Lingual branches of the hypoglossal nerve; Hypoglossal nerve injury
  • Schematic image of the hypoglossal nerve and innervation targets.
  • alt=Image of a tongue protruding from a mouth, wasted on the left, and pointing to the left.

Hypoglossal         
·noun One of the hypoglossal nerves.
II. Hypoglossal ·adj Under the tongue;
- applied ·esp., in the higher vertebrates, to the twelfth or last pair of cranial nerves, which are distributed to the base of the tongue.
Hypoglossal nucleus         
ANATOMICAL ENTITY
Nucleus nervi hypoglossi; Hypoglossal motor nucleus; Nucleus of the hypoglossal; Nucleus of hypoglossal; Nucleus of hypoglossal nerve; Nucleus of the hypoglossal nerve
The hypoglossal nucleus is a cranial nerve nucleus, found within the medulla. Being a motor nucleus, it is close to the midline.
hypoglossal nerves         
[?h??p?(?)'gl?s(?)l]
¦ plural noun Anatomy the pair of cranial nerves supplying the muscles of the tongue.
Origin
C19: hypoglossal from hypo- + Gk glossa 'tongue'.

Wikipedia

Hypoglossal nerve

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. CN XII is a nerve with a solely motor function. The nerve arises from the hypoglossal nucleus in the medulla as a number of small rootlets, passes through the hypoglossal canal and down through the neck, and eventually passes up again over the tongue muscles it supplies into the tongue.

The nerve is involved in controlling tongue movements required for speech and swallowing, including sticking out the tongue and moving it from side to side. Damage to the nerve or the neural pathways which control it can affect the ability of the tongue to move and its appearance, with the most common sources of damage being injury from trauma or surgery, and motor neuron disease. The first recorded description of the nerve is by Herophilos in the third century BC. The name hypoglossus springs from the fact that its passage is below the tongue, from hypo (Greek: "under") and glossa (Greek: "tongue").