Thyroid artery

Thyroid Artery

The thyroid artery and its branches.

The Thyroid Artery is a major blood vessel in the neck that supplies blood to the thyroid gland. It is a branch of the carotid artery, which is the main artery supplying blood to the head and neck.

Anatomy

The thyroid artery originates from the carotid artery in the neck. It travels downwards and forwards to reach the thyroid gland, where it divides into several branches. These branches supply blood to different parts of the thyroid gland, as well as to some of the surrounding structures in the neck.

Branches

The thyroid artery typically divides into four main branches:

• The superior thyroid artery, which supplies the upper part of the thyroid gland.
• The inferior thyroid artery, which supplies the lower part of the thyroid gland.
• The thyrocervical trunk, which gives off branches to the neck and upper chest.
• The laryngeal artery, which supplies blood to the larynx or voice box.

Clinical significance

The thyroid artery is important in medical procedures involving the thyroid gland, such as thyroidectomy (removal of the thyroid gland) and thyroid biopsy (sampling of thyroid tissue for diagnostic purposes). Knowledge of the anatomy of the thyroid artery is crucial in these procedures to avoid damaging the artery and causing bleeding.

See also

• Thyroid gland
• Carotid artery
• Thyroidectomy
• Thyroid biopsy

References

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