genioglossus

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ge·ni·o·glos·sus (mus·cle)

[TA]
one of the paired lingual muscles; origin, mental spine of the mandible; insertion, lingual fascia beneath the mucous membrane and epiglottis; action, depresses and protrudes the tongue; nerve supply, hypoglossal.
Farlex Partner Medical Dictionary © Farlex 2012

genioglossus

(jē′nē-ō-glŏs′əs)
n. pl. genioglos·si (-ī′)
Either of a pair of muscles that connect the jaw and tongue and that depress and protrude the tongue.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

ge·ni·o·glos·sus mus·cle

(jē'nē-ō-glos'ŭs mŭs'ĕl)
One of the paired lingual muscles; origin, mental spine of the mandible; insertion, lingual fascia beneath the mucous membrane and epiglottis; action, depresses and protrudes the tongue; nerve supply, hypoglossal.
Synonym(s): musculus genioglossus [TA] , genioglossus, musculus geniohyoglossus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

genioglossus

One of the small extrinsic muscle of the tongue. It arises from centre of the back of the jaw bone (mandible).
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005