Sternothyroid muscle

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Sternothyroid muscle
Sternothyroid visible center left
Section of the neck at about the level of the sixth cervical vertebra. Showing the arrangement of the fascia coli. (Sternothyroideus labeled at right, third from top.)
InsertionThyroid cartilage
ArterySuperior thyroid artery
NerveAnsa cervicalis
ActionsDepresses thyroid cartilage
LatinMusculus sternothyroideus
Anatomical terms of muscle

The Sternothyroideus (or sternothyroid muscle) is a muscle in the neck. It is shorter and wider than the sternohyoideus, beneath which it is situated.

It arises from the posterior surface of the manubrium sterni, below the origin of the sternohyoideus, and from the edge of the cartilage of the first rib, and sometimes that of the second rib, it is inserted into the oblique line on the lamina of the thyroid cartilage.

This muscle is in close contact with its fellow at the lower part of the neck, but diverges somewhat as it ascends; it is occasionally traversed by a transverse or oblique tendinous inscription.


Doubling; absence; accessory slips to Thyreohyoideus, Inferior constrictor, or carotid sheath.

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

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