Sternothyroid muscle
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| Sternothyroid muscle | ||
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| Sternothyroid visible center left | ||
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| 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.) | ||
| Latin | musculus sternothyroideus | |
| Gray's | subject #112 393 | |
| Origin: | manubrium | |
| Insertion: | thyroid cartilage | |
| Blood: | ||
| Nerve: | Ansa cervicalis | |
| Action: | ||
| Dorlands/Elsevier | m_22/12550960 | |
The Sternothyreoideus (or Sternothyroid muscle) 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.
[edit] Variations
Doubling; absence; accessory slips to Thyreohyoideus, Inferior constrictor, or carotid sheath.
[edit] Additional images
 The fascia and middle thyroid veins. The veins here designated the inferior thyroid are called by Kocher the thyroidea ima. |
[edit] External links
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
| Muscles of the Head — Neck — Trunk — Upper limb — Lower limb— LIST OF ALL MUSCLES |
| SUPERFICIAL CERVICAL: platysma | (Gray's s110)
LATERAL CERVICAL: sternocleidomastoid | (Gray's s111) SUPRAHYOID: digastric | stylohyoid | mylohyoid | geniohyoid - INFRAHYOID/STRAP: sternohyoid | sternothyroid | thyrohyoid | omohyoid | (Gray's s112) VERTEBRAL — ANTERIOR: longus colli | longus capitis | rectus capitis anterior | rectus capitis lateralis (Gray's s113) LATERAL: scalenus anterior | scalenus medius | scalenus posterior | (Gray's s114) |
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