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The body of the hyoid bone is the central part of the hyoid bone. [clarification needed]At the front, the body is convex and directed forward and upward. It is crossed in its upper half by a well-marked transverse ridge with a slight downward convexity, and in many cases a vertical median ridge divides it into two lateral halves.
It attaches at the lesser horn of hyoid bone [1] [2] inferiorly, [citation needed] and (the apex of [1]) the styloid process of the temporal bone [1] [2] superiorly. [citation needed] The ligament gives attachment to the superior-most fibres of the middle pharyngeal constrictor muscle. [1]
The two mylohyoid muscles arise from the mandible at the mylohyoid line, which extends from the mandibular symphysis in front to the last molar tooth behind. The posterior fibers pass inferomedially and insert at anterior surface of the hyoid bone. The medial fibres of the two mylohyoid muscles unite in a midline raphe (where the two muscles ...
The anatomic boundaries of each submandibular space are: [2] the mylohyoid muscle superiorly, the skin, superficial fascia, platysma muscle and superficial layer of the deep cervical fascia inferiorly and laterally, the medial surface of the mandible anteriorly and laterally, the hyoid bone posteriorly, the anterior belly of the digastric ...
the mylohyoid muscle superiorly; the investing layer of deep cervical fascia (and this in turn is covered by the platysma muscle) inferiorly; the inferior border of the mandible anteriorly; the hyoid bone posteriorly; the anterior bellies of the digastric muscles laterally.
The muscle inserts onto the body of hyoid bone at the junction of the body and greater cornu. [ 3 ] The site of insertion is situated immediately superior to that of the superior belly of omohyoid muscle .
Structures that are medial/deep to the hyoglossus are the glossopharyngeal nerve (CN IX), the stylohyoid ligament and the lingual artery and lingual vein.. The lingual vein passes medial to the hyoglossus.
The two bellies connect at the intermediate tendon. The intermediate tendon passes through a connective tissue loop attached to the hyoid bone. [1] The mylohyoid muscles are thin, flat muscles that form a sling inferior to the tongue supporting the floor of the mouth. The geniohyoids are short, narrow muscles that contact each other in the ...