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Artery: Superior thyroid artery
Superior thyroid.PNG
Superficial dissection of the right side of the neck, showing the carotid and subclavian arteries.
Gray562.png
The fascia and middle thyroid veins. (Superior thyroid artery labeled at upper right.)
Latin arteria thyreoidea superior
Gray's subject #144 552
Supplies thyroid
Source external carotid artery   
Branches Hyoid (infrahyoid) artery
Sternocleidomastoid artery
Superior laryngeal artery
Cricothyroid artery
Vein superior thyroid vein

The superior thyroid artery arises from the external carotid artery just below the level of the greater cornu of the hyoid bone and ends in the thyroid gland.

Contents

Relations

From its origin under the anterior border of the Sternocleidomastoideus it runs upward and forward for a short distance in the carotid triangle, where it is covered by the skin, Platysma, and fascia; it then arches downward beneath the Omohyoideus, Sternohyoideus, and Sternothyreoideus.

To its medial side are the Constrictor pharyngis inferior and the external branch of the superior laryngeal nerve.

Branches

It distributes twigs to the adjacent muscles, and numerous branches to the thyroid gland, anastomosing with its fellow of the opposite side, and with the inferior thyroid arteries.

The branches to the gland are generally two in number;

Besides the arteries distributed to the muscles and to the thyroid gland, the branches of the superior thyroid are:[1]

See also

Additional images

References

  1. ^ Mnemonic at medicalmnemonics.com 136

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 As such, some of the information contained within it may be outdated.

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