genioglossus


ge·nio·glos·sus

noun \-ˈgläs-əs, -ˈgls-\
plural ge·nio·glos·si \-ˌī\

Definition of GENIOGLOSSUS

: a fan-shaped muscle that arises from the superior mental spine, inserts on the hyoid bone and into the tongue, and serves to advance and retract and also to depress the tongue

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