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

mandible In anatomy, the mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human facial skeleton. It forms the lower jaw and holds the lower teeth in place. The mandible sits beneath the maxilla. It is the only movable bone ...

. 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 mandible to the hyoid bone, forming the floor of the oral cavity of the mouth. It is named after its two attachments near the molar teeth. It forms the flo ...

, the superior pharyngeal constrictor muscle, and the

pterygomandibular raphe The pterygomandibular raphe (pterygomandibular ligament) is a ligamentous band of the buccopharyngeal fascia. It is attached superiorly to the pterygoid hamulus of the medial pterygoid plate, and inferiorly to the posterior end of the mylohyoi ...

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 unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek language, Greek roots, describe something in its standard anatomical position. Th ...

(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

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

Additional images

File:Slide4oooo.JPG, Mylohyoid line

References

External links

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