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单词 hypoglossal nerve
释义

hypoglossal nerve


hypoglossal nerve

n. Either of the 12th pair of cranial nerves that innervate the muscles of the tongue.

hypoglossal nerve

n (Anatomy) the twelfth cranial nerve, which supplies the muscles of the tongue

hy′poglos′sal nerve′


n. either one of the twelfth pair of cranial nerves, consisting of motor fibers that innervate the muscles of the tongue. [1840–50]
Thesaurus
Noun1.hypoglossal nerve - supplies intrinsic muscles of the tongue and other tongue muscleshypoglossal nerve - supplies intrinsic muscles of the tongue and other tongue muscleshypoglossal, nervus hypoglosus, twelfth cranial nervecranial nerve - any of the 12 paired nerves that originate in the brain stem
Translations
See Hypoglossal Nerve

Hypoglossal Nerve


hypoglossal nerve

[¦hī·pə¦gläs·əl ′nərv] (neuroscience) The twelfth cranial nerve; a paired motor nerve in tetrapod vertebrates innervating tongue muscles; corresponds to the hypobranchial nerve in fishes.

Hypoglossal Nerve

 

the 12th pair of cranial nerves. The hypoglossal nerve originates from the nerve cells that form its motor nucleus, which are located in the brain stem at the medulla oblongata. The appendages of the nerve cells unite in ten to 15 rootlets between the pyramid and the olive. Upon merging in a common trunk, they depart from the skull through the hypoglossal canal into the occipital bone. After leaving the skull, the hypoglossal nerve forms an arch and, at the anterior end of the hyoglossal muscle, branches into terminal branches, which innervate the musculature of the tongue. When a disorder of hypoglossal nerve exists, the corresponding half of the tongue becomes paralyzed, and the tongue muscles atrophy.

hypoglossal nerve


hypoglossal

 [hi″po-glos´al] sublingual.hypoglossal nerve the twelfth cranial nerve; its modality is purely motor, serving the intrinsic muscles of the tongue and other muscles beneath the tongue. See Appendix 3-5.

hypoglossal nerve

n. Either of the 12th pair of cranial nerves that innervate the muscles of the tongue.

hypoglossal nerve

the 12th CRANIAL NERVE of higher vertebrates, the motor nerve supplying the floor of the mouth and the tongue.

hypoglossal nerve


Related to hypoglossal nerve: glossopharyngeal nerve
  • noun

Synonyms for hypoglossal nerve

noun supplies intrinsic muscles of the tongue and other tongue muscles

Synonyms

  • hypoglossal
  • nervus hypoglosus
  • twelfth cranial nerve

Related Words

  • cranial nerve
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