Sternohyoid muscle
Sternohyoid muscle | |
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Muscles of neck. Sternohyoideus labeled at middle, just to the right of thyroid cartilage. | |
Muscles of the neck. Lateral view. Sternohyoid muscle labeled | |
Details | |
Origin | manubrium of sternum |
Insertion | hyoid bone |
Artery | superior thyroid artery |
Nerve | C1-C3 by a branch of ansa cervicalis |
Actions | depresses hyoid |
Identifiers | |
Latin | musculus sternohyoideus |
TA | A04.2.04.002 |
FMA | 13341 |
Anatomical terms of muscle [edit on Wikidata] |
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.
Contents
1 Variations
2 Additional images
3 References
4 External links
Variations
Doubling; accessory slips (Cleidohyoideus); absence.
It sometimes presents, immediately above its origin, a transverse tendinous inscription.
Additional images
This gallery of anatomic features needs cleanup to abide by the medical manual of style. |
Posterior surface of sternum.
Left clavicle. Inferior surface.
Hyoid bone. Anterior surface. Enlarged.
Section of the neck at about the level of the sixth cervical vertebra.
Posterior surface of sternum and costal cartilages, showing Transversus thoracis.
The fascia and middle thyroid veins. The veins here designated the inferior thyroid are called by Kocher the thyroidea ima.
Sternohyoid muscle
Sternohyoid muscle
Sternohyoid muscle
Sternohyoid muscle - lateral view
Sternohyoid muscle - right view
Sternohyoid muscle
Muscles, nerves and arteries of neck.Deep dissection. Anterior view.
References
This article incorporates text in the public domain from page 393 of the 20th edition of Gray's Anatomy (1918)
External links
Anatomy photo:25:10-0103 at the SUNY Downstate Medical Center - "Nerves and Vessels of the Carotid triangle"- PTCentral
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