genioglossus muscle


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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.

genioglossus muscle

Tongue muscle. Origin: genial tubercle on inside of mandibular symphysis. Insertion: ventral tongue, hyoid bone. Nerve: hypoglossal (CN XII). Action: protrudes and depresses tongue.
See also: muscle
References in periodicals archive ?
Genioglossus muscle response to upper airway pressure changes: afferent pathways.
Inhomogeneous neuromuscular injury of the genioglossus muscle in subjects with obstructive sleep apnea.
Genioglossus muscle activity during rhythmic open-close jaw movements.
Genioglossus muscle advancement techniques for obstructive sleep apnea, Atlas Oral Maxillofac Surg Clin North Am 2007; 15 : 179-92.
The genial tubercle and genioglossus muscle can be identified by finger palpation in the floor of the mouth and with the aid of the lateral cephalometric radiograph.
The genioglossus muscle, for instance, responds to chemoreceptor stimuli by contracting in order to increase upper airway patency.