| 单词 | cardiac valve |
| 释义 | cardiac valve (once / 11819311 pages) n WORD FAMILY cardiac valve USAGE EXAMPLES“During a vacation in Switzerland his condition deteriorated acutely, and therefore he has undergone surgery which comprised replacement of a cardiac valve. BusinessWeek(Jan 01, 2012) For example, hospitals in a recent Premier analysis lost almost $15,000 on average for each cardiac valve replacement procedure performed on a Medicare patient. Reuters(Nov 29, 2011) My physician tells me that my cardiac valve—or whatever the blame thing is—is weak.” Child, Richard Washburn, The Blue Wall—A Story of Strangenes...(2010) n a valve to control one-way flow of blood Syn|Hypo|Hyper heart valve atrioventricular valve either of two heart valves through which blood flows from the atria to the ventricles; prevents return of blood to the atrium semilunar valvea heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart bicuspid valve, left atrioventricular valve, mitral valvevalve with two cusps; situated between the left atrium and the left ventricle right atrioventricular valve, tricuspid valvevalve with three cusps; situated between the right atrium and the right ventricle; allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts aortic valvea semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart pulmonary valvea semilunar valve between the right ventricle and the pulmonary artery; prevents blood from flowing from the artery back into the heart valve a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it |
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