Hyoglossus muscle
Muscles · Latin: Musculus hyoglossus
HYOGLOSSUS (MUSCLE)
The hyoglossus, thin and quadrilateral, arises from the side of the body and from the whole length of the greater cornu of the hyoid bone, and passes almost vertically upward to enter the side of the tongue, between the styloglossus and the inferior longitudinal muscle of the tongue.
It forms a part of the floor of submandibular triangle.
Definition from Wikipedia, CC BY-SA 4.0.