Click image to view full screen
- body of the hyoid bone
- left anterior belly of the digastric muscle
- right anterior belly of the digastric muscle
The floor of the submental triangle is formed by the mylohyoid muscle which spans between the mandible and the hyoid bone.
Links and References:
Grant's: 8.14
Netter: 29
Rohen/Yokochi: 164, 165