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WebMD's Aorta Anatomy Page provides a detailed image and definition of the aorta. The dorsal aorta forms from the direct aggregation of endothelial precursor cells derived from the lateral plate mesoderm. Definition. Heart Definition. En savoir plus. It gives off branches to the extremities, neck and major organs for the purpose of supplying oxygenated blood. arteria, arterial blood vessel, artery - a blood vessel that carries blood from the heart to the body. The aorta is the central conduit from the heart to the body. aorta meaning: 1. the main artery (= thick tube carrying blood from the heart) that takes blood to the other parts…. See Appendix of Arteries and see circulatory system. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. 1983. The aorta above the valve displays a smooth intima with no atherosclerosis ... Post stenotic dilation of the aorta is not seen due to ... Full article ... [] aorta main artery arising from the heart Source: Noland, George B. Choose from 500 different sets of artery biology flashcards on Quizlet. The freshly oxygenated blood is sent first to the coronary arteries that supply the heart and to the ~ which branches into many arteries which in turn supply blood to all the organs and tissues. The aorta is a tube about a foot long and just over an inch in diameter. The causes of aneurysms are sometimes unknown. n. The curved portion between the ascending and descending portions of the aorta, lying behind the manubrium and giving rise to the brachiocephalic trunk, the left common carotid, and the left subclavian arteries.arch of aorta. Learn more. Arteries are vessels that carry blood away from the heart and the aorta is the largest artery in the body. It has four divisions: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta. In the current issue of Arteriosclerosis, Thrombosis, and Vascular Biology, Johnsen et al examine data from the well-respected Tromso study in an attempt to better elucidate the relationship between atherosclerosis and AAA. Learn more. Aorta: The largest artery in the body, the aorta arises from the left ventricle of the heart, goes up (ascends) a little ways, bends over (arches), then goes down (descends) through the chest and through the abdomen to where ends by dividing into two arteries called the common iliac arteries … Noun. Aortic dissection (AD) occurs when an injury to the innermost layer of the aorta allows blood to flow between the layers of the aortic wall, forcing the layers apart. An arterial blood vessel that takes blood from the heart to the rest of the body is an example of an aorta. Aorta The aorta is the largest blood vessel in the body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body in the systemic circulation. aor´tae, aortas) (L.) the great artery arising from the left ventricle, being the main trunk from which the systemic arterial system proceeds. The heart is the organ of the cardiovascular system that functions to circulate blood along with pulmonary and systemic circuits. aorta définition, signification, ce qu'est aorta: 1. the main artery (= thick tube carrying blood from the heart) that takes blood to the other parts…. The aorta rises from the left ventricle of the heart, forms an arch, then extends down to the abdomen where it branches off into two smaller arteries.

An aneurysm occurs when part of an artery wall weakens, allowing it to balloon out or widen abnormally. The aorta is divided into four sections: • The ascending aorta rises up from the heart and is about 2 inches long. In adult fish it is a major artery that carries oxygenated blood from the efferent branchial arteries to branches that supply the body organs; in adult tetrapods it arises from the systemic arch (see aorta).Compare ventral aorta. In most people, the heart is located on the left side of the chest, beneath the breastbone. Aorta is the main artery of the circulatory system, arising from the left ventricle of the heart in mammals and birds and carrying blood with high levels of oxygen to all the arteries of the body except those of the lungs. YourDictionary definition and usage example. aorta definition: 1. the main artery (= thick tube carrying blood from the heart) that takes blood to the other parts….

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