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Medical Definition of Linea mylohyoidea
1. 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. Synonym: linea mylohyoidea, internal oblique line, mylohyoid ridge. (05 Mar 2000)