- May 2, 2026The left main coronary artery (left main stem) arises from the left aortic sinus of Valsalva as a short trunk…
- May 2, 2026The left circumflex artery arises from the left main coronary artery and runs in the left atrioventricular groove, giving obtuse…
- May 2, 2026The posterior descending artery runs in the posterior interventricular groove, supplying the inferior ventricular septum, posterior left ventricular wall, and…
- May 2, 2026The left pulmonary artery is the shorter of the two main pulmonary arteries, arching over the left main bronchus and…
- May 2, 2026The internal thoracic artery (internal mammary artery, IMA) arises from the inferior surface of the subclavian artery and descends on…
- May 2, 2026The internal thoracic veins (internal mammary veins) are paired venae comitantes that accompany the internal thoracic artery on the inner…
- May 2, 2026The musculophrenic artery is one of the two terminal branches of the internal thoracic artery (the other being the superior…
- May 2, 2026The azygos vein arises from the junction of the right ascending lumbar and right subcostal veins, ascends in the right…
- May 2, 2026The superior vena cava is formed by the union of the two brachiocephalic veins behind the right first costal cartilage…
- May 2, 2026The subclavian artery supplies the upper limb, the posterior brain via the vertebral artery, and the anterior chest wall via…