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  2. Aorta - Wikipedia

    en.wikipedia.org/wiki/Aorta

    The aorta (/ eɪ ˈ ɔːr t ə / ay-OR-tə; pl.: aortas or aortae) is the main and largest artery in the human body, originating from the left ventricle of the heart, branching upwards immediately after, and extending down to the abdomen, where it splits at the aortic bifurcation into two smaller arteries (the common iliac arteries).

  3. Thoracic aorta - Wikipedia

    en.wikipedia.org/wiki/Thoracic_aorta

    The thoracic aorta, viewed from the left side. The thoracic aorta is a part of the aorta located in the thorax. It is a continuation of the aortic arch. It is located within the posterior mediastinal cavity, but frequently bulges into the left pleural cavity. The descending thoracic aorta begins at the lower border of the fourth thoracic ...

  4. Ascending aorta - Wikipedia

    en.wikipedia.org/wiki/Ascending_aorta

    Ascending aorta. Course of the ascending aorta (anterior view), as it passes dorsally to the pulmonary trunk but ventrally to the right pulmonary artery. The ascending aorta (AAo) [1] is a portion of the aorta commencing at the upper part of the base of the left ventricle, on a level with the lower border of the third costal cartilage behind ...

  5. Aortic valve - Wikipedia

    en.wikipedia.org/wiki/Aortic_valve

    Aortic valve. The aortic valve is a valve in the heart of humans and most other animals, located between the left ventricle and the aorta. It is one of the four valves of the heart and one of the two semilunar valves, the other being the pulmonary valve. The aortic valve normally has three cusps or leaflets, although in 1–2% of the population ...

  6. Dorsal aorta - Wikipedia

    en.wikipedia.org/wiki/Dorsal_aorta

    The dorsal aortae are paired (left and right) embryological vessels which progress to form the descending aorta. [1] The paired dorsal aortae arise from aortic arches that in turn arise from the aortic sac. The primary dorsal aorta is located deep to the lateral plate of mesoderm and move from lateral to medial position with development and ...

  7. Aortic unfolding - Wikipedia

    en.wikipedia.org/wiki/Aortic_unfolding

    Aortic unfolding is an abnormality visible on a chest X-ray, that shows widening of the mediastinum which may mimic the appearance of a thoracic aortic aneurysm. [1]With aging, the ascending portion of the thoracic aorta increases in length by approximately 12% per decade, whereas the diameter increases by just 3% per decade.

  8. Aortic arch - Wikipedia

    en.wikipedia.org/wiki/Aortic_arch

    As a part of the aorta, the entire body, with exception of the respiratory zone of the lung and the heart. The aortic arch, arch of the aorta, or transverse aortic arch (English: / eɪˈɔːrtɪk / [1][2]) is the part of the aorta between the ascending and descending aorta. The arch travels backward, so that it ultimately runs to the left of ...

  9. Circulatory system - Wikipedia

    en.wikipedia.org/wiki/Circulatory_system

    The circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate. [1][2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and from Latin vascula ...

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