Aorta definition Biology

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. arteria, arterial blood vessel, artery - a blood vessel that carries blood from the heart to the body. The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Noun. aor´tae, aortas) (L.) the great artery arising from the left ventricle, being the main trunk from which the systemic arterial system proceeds. It gives off branches to the extremities, neck and major organs for the purpose of supplying oxygenated blood. General Biology, 11th Edition.St. Aortic disease or an injury may also cause an aneurysm. or′tic adj. WebMD's Aorta Anatomy Page provides a detailed image and definition of the aorta. The aorta is the central conduit from the heart to the body. It serves to supply them all with oxygenated blood. dorsal aorta The artery in vertebrate embryos that transports blood from the aortic arches to the trunk and limbs.

Learn more. The dorsal aorta forms from the direct aggregation of endothelial precursor cells derived from the lateral plate mesoderm.

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…. Also, vomiting, sweating, and lightheadedness may occur. 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. In most people, the heart is located on the left side of the chest, beneath the breastbone. The heart is a muscular organ that pumps blood throughout the body. In most cases, this is associated with a sudden onset of severe chest or back pain, often described as "tearing" in character. an aorta is the large artery leaving the heart that carries blood to other parts of the body.. noun. Definition. It is located in the middle cavity of the chest, between the lungs. It has four divisions: the ascending aorta, the aortic arch, the thoracic aorta, and the abdominal aorta. Synonym: pars descendens aortae, aorta descendens , descending part of aorta . 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. 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 … 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. 1. aorta - the large trunk artery that carries blood from the left ventricle of the heart to branch arteries. Aortic valve: One of the four valves in the heart, this valve is situated at exit of the left ventricle of the heart where the aorta (the largest of all arteries) begins.. Some may be congenital, meaning a person is born with them.

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