单词 | heart valve |
释义 | heart valve (once / 68717 pages) n WORD FAMILY heart valve: heart valves USAGE EXAMPLESOne of her heart valves was not opening. Washington Times(Jan 01, 2017) A doctor advised the 26-year-old to seek heart valve surgery in the nearest major city, 200 miles away. Los Angeles Times(Dec 30, 2016) And researchers are experimenting with using materials to print heart valves, stents and skull fragments. Washington Times(Dec 23, 2016) 1n a valve to control one-way flow of blood Syn|Hypo|Hyper cardiac 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 2n an implant that replaces a natural cardiac valve Hyper implant a prosthesis placed permanently in tissue |
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