sternohyoid 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. [WP,unvetted]. Every claim on this page comes from the Leumas anatomy graph and carries its source.

What the sternohyoid muscle is

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. [WP,unvetted]. The atlas records it as a muscle at the organ scale in the human body.

Where the sternohyoid muscle is

It sits within the muscular system. Positioned deliberately as part of this species body plan.

What the sternohyoid muscle connects to

The atlas records 5 typed relationships for it, across 4 kinds of connection. a kind of infrahyoid muscle.

Supply and innervation

Innervation: ansa cervicalis and spinal nerve.

Also called

Also recorded as m. sternohyoideus, sternohyoid, sternohyoideus, sternohyoideus muscle, musculus sternohyoideus and sternohyoidei. Searching any of those names reaches this page.

Source

Uberon multi-species anatomy ontology (Mungall et al.), CC BY 4.0. Term UBERON:0001107, version 2026-06-19, retrieved 2026-08-24. Licence: CC-BY-4.0.

• A kind of: infrahyoid muscle.
• Innervated by: ansa cervicalis and spinal nerve.
• inserts into: hyoid bone.
• originates from: manubrium of sternum.

Questions

Where is the sternohyoid muscle?

It sits within the muscular system. Positioned deliberately as part of this species body plan.

What does the sternohyoid muscle connect to?

A kind of: infrahyoid muscle.

Is the sternohyoid muscle the same in other species?

Leumas holds the same relationship vocabulary for every species it carries, so where another dataset records this structure you can put the two side by side on /compare.