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

mandible In jawed vertebrates, the mandible (from the Latin ''mandibula'', 'for chewing'), lower jaw, or jawbone is a bone that makes up the lowerand typically more mobilecomponent of the mouth (the upper jaw being known as the maxilla). The jawbone i ...

. It runs posterosuperiorly. It is the site of origin of the

mylohyoid muscle The mylohyoid muscle or diaphragma oris is a paired muscle of the neck. It runs from the Human mandible, mandible to the hyoid bone, forming the floor of the oral cavity of the human mouth, mouth. It is named after its two attachments near the mo ...

, the superior pharyngeal constrictor muscle, and the pterygomandibular raphe.

Structure

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

. The mylohyoid line extends posterosuperiorly. The mylohyoid line continues as the mylohyoid groove on the internal surface of the ramus. The

originates from the

anterior Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position pro ...

(front) part of the mylohyoid line. Rarely, the mylohyoid muscle may originate partially from other surfaces of the mandible. 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.

Function

The mylohyoid line is the site of attachment of many muscles, including the

, and the superior pharyngeal constrictor muscle. It is also the site of attachment of the pterygomandibular raphe.

Additional images

File:Slide4oooo.JPG, Mylohyoid line

References

External links

* - "Anterior Triangle of the Neck: Bones" * {{Authority control Bones of the head and neck