| 单词 | aorta |
| 释义 | aorta (once / 7572 pages) n The aorta is a big artery — it’s the biggest one you’ve got. You have the aorta to thank for circulating oxygen-rich blood throughout your body. The aorta is sometimes called a trunk artery. It begins at the left ventricle of your heart and runs down your abdomen, with other smaller arteries branching off throughout your body. So it sort of looks like the trunk of a tree that supports other branches. The heart pumps the blood flowing through the aorta, which is sent throughout the body. The aorta does all this work even though it’s only about a foot long and an inch in diameter. WORD FAMILYaorta: aortae, aortal, aortas, aortic USAGE EXAMPLESSurgeons can either perform keyhole surgery to line the aorta with stents or perform open surgery to replace the aneurysm with a graft. BBC(Nov 23, 2016) When this patient loses his pulse, the attending surgeon will, as usual, crack his chest open and clamp the descending aorta. The New Yorker(Nov 20, 2016) The bullet he had fired pierced Officer Giglio’s intestines and severed his aorta. New York Times(Oct 28, 2016) n the large trunk artery that carries blood from the left ventricle of the heart to branch arteries Hypo|Hyper ascending aorta the ascending part of the aorta as it emerges from the left ventricle aortic archthe part of the aorta that arches and turns downward descending aortathe descending part of the aorta that branches into the thoracic and abdominal aortae abdominal aortaa branch of the descending aorta thoracic aortaa branch of the descending aorta; divides into the iliac arteries arteria, arterial blood vessel, artery a blood vessel that carries blood from the heart to the body |
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