The mylohyoid line is a bony ridge on the internal surface of the mandible.

The mylohyoid line is a bony ridge on the internal surface of the body of the mandible.

[1] Rarely, the mylohyoid muscle may originate partially from other surfaces of the mandible.

[2] The posterior (back) part of this line, near the alveolar margin, gives attachment to a small part of the superior pharyngeal constrictor muscle, and to the pterygomandibular raphe.

This article incorporates text in the public domain from page 173 of the 20th edition of Gray's Anatomy (1918)