- May 2, 2026The posterior intercostal arteries are paired vessels running in each intercostal space. The first and second arise from the superior…
- May 2, 2026The accessory hemiazygos vein drains the upper left posterior intercostal veins (T5-T8), running inferiorly on the left side of the…
- May 2, 2026The pulmonary trunk arises from the right ventricle at the pulmonary valve and ascends for approximately 5 cm before bifurcating…
- May 2, 2026The right pulmonary artery is the longer of the two main pulmonary arteries, arising from the pulmonary trunk and passing…
- May 2, 2026The left anterior descending artery (LAD) is the most important coronary artery, arising from the left main coronary artery and…
- May 2, 2026The right coronary artery arises from the right aortic sinus of Valsalva and passes in the right atrioventricular groove. It…
- May 2, 2026The aortic arch is the curved portion of the aorta connecting the ascending aorta to the descending thoracic aorta, arching…
- May 2, 2026The bronchial arteries are the systemic blood supply to the bronchi, lung parenchyma, visceral pleura, and mediastinal structures. Their number…
- 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…