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The sternohyoid muscle is a bilaterally paired, [1] long, [1] thin, [1] [2] narrow strap muscle [2] of the anterior neck. [1] It is one of the infrahyoid muscles. It is innervated by the ansa cervicalis. It acts to depress the hyoid bone. The sternohyoid muscle is a flat muscle located on both sides of the neck, part of the infrahyoid muscle group.
The infrahyoid muscles, or strap muscles, are a group of four pairs of muscles in the anterior (frontal) part of the neck. [1] The four infrahyoid muscles are the sternohyoid, sternothyroid, thyrohyoid and omohyoid muscles. [1] Excluding the sternothyroid, the infrahyoid muscles either originate from or insert on to the hyoid bone. [2]
Neck, Suprahyoid, Right/left mandibular symphysis: anterior surface of body of hyoid bone: C1 via hypoglossal nerve: elevates hyoid and tongue upward during swallowing?? 2 1 sternohyoid: Neck, Infrahyoid, Right/left sternum, manubrium: hyoid bone: superior thyroid artery: ansa cervicalis: depresses hyoid?? 2 1 sternothyroid: Neck, Infrahyoid ...
The sternothyroid muscle (or sternothyroideus) is an infrahyoid muscle of the neck. [1] ... (inferior to the origin of the sternohyoid muscle), ...
It envelopes the strap muscles (sternohyoid, sternothyroid, thyrohyoid, and omohyoid muscles). It also surrounds the pharynx, larynx, trachea, esophagus, thyroid, parathyroids, buccinators, and constrictor muscles of the pharynx. The deep layer is also known as the prevertebral fascia. It surrounds the paraspinous muscles and cervical vertebrae ...
Midline of the neck from chin to the jugular notch Posterior boundary: The anterior margin of sternocleidomastoid: Superior boundary (base) The lower border of the body of the mandible, and a line extending from the angle of the mandible to the mastoid process
Ansa cervicalis. The superior root of the ansa cervicalis (formerly known as descendens hypoglossi [1]: 500 ) is by fibres of the cervical spinal nerve 1 [1]: 344 [3] (and, according to some sources, of cervical spinal nerve 2 as well [3]) that have joined and run with the hypoglossal nerve (CN XII) for some distance before [1]: 344 progressively [1]: 369 branching off the CN XII in the ...
The neck is the part of the body in many ... mylohyoid, geniohyoid) elevate the hyoid bone, while the infrahyoid muscles (omohyoid, sternohyoid, thyrohyoid ...