genioglossus


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Related to genioglossus: hyoglossus, geniohyoid, styloglossus

genioglossus

[¦jē·nē·ō¦glä·səs]
(anatomy)
An extrinsic muscle of the tongue, arising from the superior mental spine of the mandible.
References in periodicals archive ?
[12] The medial portion of the tongue where genioglossus is inserted moves in relation to lateral portion where styloglossus and hyoglossus are inserted.
Unwarranted administration of acetylcholinesterase inhibitors can impair genioglossus and diaphragm muscle function.
Complementarily, simulation of apnea in rats lowers genioglossus tone and increases diaphragmatic activity [26].
Thus, this increase in the volume is associated with an anterior displacement of the tongue, since the genioglossus, as one of the tongue's major muscles, is attached to the lingual surface of the anterior mandibular arch [27].
In our previous study, we have found that CIH induced the expression of HIF-1a in the genioglossus of mice and altered the physical properties toward a more fatigable phenotype, inhibiting the overexpression of HIF-1a that might improve the fatigue resistance.[sup][8] However, it remains unclear about the molecular mechanism of HIF-1a in the influence of genioglossus physical properties.
Accordingly, similar results have been demonstrated in humans where phenylephrine mediated rise in BP resulted in lower daytime genioglossus electromyographic activity [133].
Horner, "Role of endogenous serotonin in modulating genioglossus muscle activity in awake and sleeping rats," American Journal of Respiratory and Critical Care Medicine, vol.
Besides, genioglossus muscle which protrudes the tongue is mainly used in testing hypoglossal nerve.
genioglossus), y en la parte molar del hueso mandibular, termina en dos ramas, una en dorsal, la arteria lingual profunda (A.
The changes in upper airway diameter during respiration is thought to primarily result from increased activation (during inhalation) and decreased activation (during exhalation) of pharyngeal dilator muscles such as the geniohyoid, sternohyoid, genioglossus, and stylopharyngeus muscles.
More aggressive surgical options such as UPPP with genioglossus advancement, hyoid suspension, and hyoidthyroidpexia have also been reported with decrease in AHI ranging from 10%-60%.