Blood supply of thorax from "summary" of Bd Chaurasia's Human Anatomy, Volume 1 by B. D. Chaurasia
The thorax receives blood from several arteries. The thoracic aorta is the main artery that supplies blood to the thorax. It gives off branches to supply various structures in the thoracic region. The branches of the thoracic aorta include the posterior intercostal arteries, superior phrenic arteries, and pericardial arteries. The posterior intercostal arteries supply blood to the muscles and skin of the thoracic wall. They also contribute to the blood supply of the breast. The internal thoracic artery is another important artery that supplies blood to the thorax. It arises from the subclavian artery and descends along the inner surface of the anterior chest wall. The internal thoracic artery gives off branches that supply blood to the anterior chest wall, breast, and the upper abdominal wall. The branches of the internal thoracic artery include the anterior interco...
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