Internal thoracic vein

Internal thoracic vein

Veins of the thorax and abdomen. The internal thoracic veins drain into the brachiocephalic veins.]

Posterior surface of sternum and costal cartilages, showing Transversus thoracis. (Internal mammary vessels labeled at center top.)
superior epigastric vein
Drains to brachiocephalic vein
Artery internal thoracic artery
Latin vena thoracica interna
TA A12.3.04.018
FMA 70835

Anatomical terminology

In human anatomy, the internal thoracic vein (previously known as the internal mammary vein) is a vessel that drains the chest wall and breasts.

Bilaterally, it arises from the superior epigastric vein, accompanies the internal thoracic artery along its course and terminates in the brachiocephalic vein.

Additional images

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