Mylohyoid muscle

Dr Derek Smith and Dr Henry Knipe et al.

The mylohyoid muscles form a paired muscular sling that forms part of the floor of the mouth. It also separates the sublingual space (and oral cavity) from the submandibular space

  • origin: mylohyoid line/ridge on the medial surface of the mandible
  • insertion: midline raphe that extends from the mandibular symphysis to the hyoid bone
  • elevates the floor of the mouth (e.g. in swallowing or protruding the tongue)
  • mylohyoid boutonniere: defect in the midportion of the mylohyoid muscle through which sublingual glands, blood vessels, fat, etc. can herniate 1,4
Anatomy: Head and neck
Share article

Article information

rID: 46108
Section: Anatomy
Tag: cases, cases
Synonyms or Alternate Spellings:
  • Mylohyoideus

Support Radiopaedia and see fewer ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.