Action.—Raises the floor of the mouth and thus brings the hyoid forward.
M. ceratohyoideus.
Origin, the two proximal pieces of the cranial horn of the hyoid. The fibres pass caudad parallel to one another and within the middle constrictor of the pharynx.
Insertion into the whole length of the caudal cornu of the hyoid bone.
Relations.—Outer surface with the middle constrictor of the pharynx. Inner surface with the pharynx.
Action.—Draws craniad the body of the hyoid by bringing its cornua together and bending the joint between the two pieces of the cranial cornua.
The muscles connecting the hyoid and the tongue are [described] in connection with the description of the tongue.