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Hyoid bone
(section)
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=== Body === The body of the hyoid bone is the central part of the hyoid bone.{{clarify|date=February 2022}} *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. * The portion of the vertical ridge above the transverse line is present in a majority of specimens, but the lower portion is evident only in rare cases.{{Clarify|reason=Not able to understand the sentence.|date=September 2023}} * The anterior surface gives insertion to the [[geniohyoid muscle]] in the greater part of its extent both above and below the transverse ridge; a portion of the origin of the [[hyoglossus muscle|hyoglossus]] notches the lateral margin of the geniohyoid attachment. * Below the transverse ridge the [[mylohyoid muscle|mylohyoid]], [[sternohyoid muscle|sternohyoid]], and [[omohyoid muscle|omohyoid]] are inserted. * At the back, the smooth, concave, directed backward and downward, and separated from the [[epiglottis]] by the [[hyothyroid membrane]] and a quantity of [[loose areolar tissue]]; a [[Bursa (anatomy)|bursa]] intervenes between it and the hyothyroid membrane. * Above, the body is rounded, and gives attachment to the hyothyroid membrane and some [[aponeurosis|aponeurotic]] fibers of the [[genioglossus muscle|genioglossus]]. * Below, the body affords insertion medially to the sternohyoid and laterally to the omohyoid and occasionally a portion of the [[thyrohyoid muscle|thyrohyoid]]. It also gives attachment to the Levator glandulae thyreoideae, when this muscle is present.
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