Thyrocervical trunk

Thyrocervical trunk (pronunciation: thy-roh-ser-vi-kal trunk) is a branch of the subclavian artery that supplies blood to parts of the thyroid gland, neck, and upper shoulder.

Etymology

The term "thyrocervical" is derived from the Greek words "thyreos" meaning shield (referring to the thyroid gland) and "kervikos" meaning of the neck. "Trunk" in this context refers to a large primary artery that gives rise to smaller branches.

Anatomy

The thyrocervical trunk typically arises from the first part of the subclavian artery and ascends superiorly. It quickly divides into four main branches: the inferior thyroid artery, transverse cervical artery, suprascapular artery, and ascending cervical artery.

The inferior thyroid artery is the largest branch and supplies the thyroid gland and adjacent muscles and regions.
The transverse cervical artery supplies blood to the dorsal scapular region.
The suprascapular artery supplies the supraspinatus and infraspinatus muscles.
The ascending cervical artery supplies the muscles of the neck.

Clinical significance

Knowledge of the thyrocervical trunk and its branches is important in surgical procedures involving the neck and upper shoulder. Damage to these arteries can result in significant blood loss and potential injury to the surrounding structures.

Related terms

External links

Medical encyclopedia article on Thyrocervical trunk
Wikipedia's article - Thyrocervical trunk

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Thyrocervical trunk