mylohyoid ridge

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my·lo·hy·oid line

a ridge on the inner surface of the mandible running from a point inferior to the mental spine upward and backward to the ramus behind the last molar tooth; it gives attachment to the mylohyoid muscle and the lowermost part of the superior constrictor of the pharynx.

mylohyoid ridge

The line of attachment on the medial aspect of the body of the mandible for the mylohyoid muscle, which forms the floor of the mouth.
See also: ridge

in·ter·nal ob·lique ridge

(in-tĕrnăl ō-blēk rij)
A bony linear projection found on inner surface of mandible extending downward from the ramus and ending near the apices of the mandibular molars; serves as a site of attachment for the mylohyoid muscle of the floor of the mouth.
Synonym(s): mylohyoid ridge.