Inferior thyroid vein

Inferior Thyroid Vein

The thyroid gland and its relations. (Inferior thyroid veins labeled at center right.)

The Inferior Thyroid Vein is a vein in the human anatomy that drains the thyroid gland and the larynx. It is a part of the venous system and plays a crucial role in the circulation of blood in the neck region.

Structure

The Inferior Thyroid Vein originates from the lower part of the thyroid gland and descends in front of the trachea. It then drains into the brachiocephalic vein. Unlike the superior thyroid vein and the middle thyroid vein, the inferior thyroid vein is not accompanied by an artery.

Function

The primary function of the Inferior Thyroid Vein is to drain deoxygenated blood from the thyroid gland and the larynx. It then transports this blood to the brachiocephalic vein, which eventually leads to the heart.

Clinical significance

Knowledge of the Inferior Thyroid Vein is important in surgeries involving the thyroid gland. Damage to this vein during surgery can lead to complications such as hemorrhage and thyroid storm.

See also

• Superior thyroid vein
• Middle thyroid vein
• Thyroid gland
• Venous system