Definition of hypoglossal nerve in English:

hypoglossal nerve

Line breaks: hypo|glos¦sal nerve
Pronunciation: /ˌhʌɪpə(ʊ)ˈglɒs(ə)l
 
/

noun

Anatomy
  • Each of the twelfth pair of cranial nerves, supplying the muscles of the tongue.
    More example sentences
    • Descendens hypoglossi may be carried partly or completely by the vagus nerve instead of the hypoglossal nerve.
    • The ipsilateral hypoglossal nerve was sectioned, and that half of the muscle became silent.
    • Some fibers of the hypoglossal nerve can be traced through the reticular formation as they course towards the ventrolateral sulcus.

Origin

mid 19th century: hypoglossal from hypo- 'under' + Greek glōssa 'tongue' + -al.

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elaborate ornamentation of a vocal melody