Mylohyoid line
Mandible. Inner surface. Side view.
Details
Part ofmandible
Systemskeletal
Identifiers
LatinLinea mylohyoidea mandibulae
TA98A02.1.15.012
TA2848
FMA53119
Anatomical terms of bone

The mylohyoid line is a bony ridge on the internal surface of the mandible. It runs posterosuperiorly. It is the site of origin of the mylohyoid muscle, 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 mandible. The mylohyoid line extends posterosuperiorly. The mylohyoid line continues as the mylohyoid groove on the internal surface of the ramus.

The mylohyoid muscle originates from the anterior (front) part of the mylohyoid line.[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.

Function

The mylohyoid line is the site of attachment of many muscles, including the mylohyoid muscle,[1] and the superior pharyngeal constrictor muscle. It is also the site of attachment of the pterygomandibular raphe.

Additional images

References

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

  1. 1 2 邦彦, 泉; 俊, 小沢; 拓之, 堺; 英三, 若月 (1982). "顎舌骨筋線の形態学的研究". 歯科基礎医学会雑誌. 歯科基礎医学会. 24 (1): 96–112. doi:10.2330/joralbiosci1965.24.96 – via J-STAGE.
  2. ↑ Saadeh, Faysal A.; El-Sabban, Marwan; Hawi, Jihad S. (2001). "Rare variations of the mylohyoid muscle: Case study". Clinical Anatomy. 14 (4): 285–287. doi:10.1002/ca.1049. ISSN 1098-2353. PMID 11424205. S2CID 19132248.
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