Sternohyoid Muscle
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Sternohyoid Muscle
Sternohyoid muscle
Sternohyoid muscle.PNG
Muscles of neck. Sternohyoideus labeled at middle, just to the right of thyroid cartilage.
Sternohyoideus.png
Muscles of the neck. Lateral view. Sternohyoid muscle labeled
Details
Originmanubrium of sternum
Insertionhyoid bone
Arterysuperior thyroid artery
NerveC1-C3 by a branch of ansa cervicalis
Actionsdepresses hyoid
Identifiers
Latinmusculus sternohyoideus
TAA04.2.04.002
FMA13341
Anatomical terms of muscle

The sternohyoid muscle is a thin, narrow muscle attaching the hyoid bone to the sternum, one of the paired strap muscles of the infrahyoid muscles serving to depress the hyoid bone. It is innervated by the ansa cervicalis.

The muscle arises from the posterior border of the medial end of the clavicle, the posterior sternoclavicular ligament, and the upper and posterior part of the manubrium sterni.

Passing upward and medially, it is inserted by short tendinous fibers into the lower border of the body of the hyoid bone.

Variations

Doubling; accessory slips (Cleidohyoideus); absence.

It sometimes presents, immediately above its origin, a transverse tendinous inscription.

Additional images

References

This article incorporates text in the public domain from page 393 of the 20th edition of Gray's Anatomy (1918)

External links



  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

Sternohyoid_muscle
 



 



 
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