Tags: Anatomical Structure, Artery.
The superior thoracic artery (highest thoracic artery) is a small artery located near the armpit in humans. It normally arising from the first division of the axillary artery but may arise from the thoracoacromial artery itself a branch of the second division of the axillary artery. Running forward and medially along the upper border of the pectoralis minor the superior thoracic artery passes between it and the pectoralis major to the side of the chest.
