![]() It begins from the aortic orifice found at the base of the left ventricle. Terminal branches: left and right common iliac arteryĪscending part of aorta, Pars ascendens aortaeīeing the first segment of the systemic circulation, the aorta originates directly from the heart. Lateral group: suprarenal, renal, gonadal (testicular in males, ovarian in females) arteriesĭorsal group: inferior phrenic arteries, lumbar arteries, median sacral artery Parietal branches: intercostal, subcostal arteries and superior phrenic arteriesĪnterior group: celiac trunk, superior mesenteric, inferior mesenteric arteries Visceral branches: pericardial, bronchial, esophageal, mediastinal arteries This article will discuss the anatomy and function of the aorta. This becomes possible by the numerous branches that aorta gives off along its course. It is important to note that all the arteries of the human body (except the pulmonary arteries), no matter where they are, receive blood from the aorta. ![]() The aorta is the main artery in the body whose only and important function is to carry oxygenated blood from the heart to the rest of the body. After that, the aorta continues downwards as the descending aorta until it divides into its terminal branches. At the beginning of its course, the aorta runs upwards as the ascending aorta then shortly after arches laterally to the left, forming the arch of aorta. It is the largest artery in the body consisting of three parts that each has its special characteristics, most notably in their direction and orientation. The aorta is the first segment of the systemic arterial circulation, originating directly from the left ventricle of the heart.
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