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.
Influence of sleep on genioglossus muscle activation by negative pressure in normal men.
Tafil-Klawe, "Age-related response of the genioglossus muscle EMG-activity to hypoxia in humans," Journal of Physiology and Pharmacology, vol.
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.
Genioglossus muscle activity during rhythmic open-close jaw movements.
Heterogeneous activity of the human genioglossus muscle assessed by multiple bipolar fine-wire electrodes.
The genioglossus muscle, for instance, responds to chemoreceptor stimuli by contracting in order to increase upper airway patency.
Table 3 Increasing sensitivity of muscles to neuromuscular blockade Diaphragm Corrugator supercilii Laryngeal adductors Orbicularis occuli Abdominal rectus Abductor digiti minimi Adductor pollicis = first dorsal Interosseous Genioglossus muscles Masseter Pharyngeal Note: "Increasing" is from top to bottom.