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单词 heart valve
释义
heart valve
(once / 68717 pages)
n

WORD FAMILY
heart valve: heart valves
USAGE EXAMPLES
One 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 valve
a heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart
bicuspid valve, left atrioventricular valve, mitral valve
valve with two cusps; situated between the left atrium and the left ventricle
right atrioventricular valve, tricuspid valve
valve 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 valve
a semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart
pulmonary valve
a 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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更新时间:2024/12/22 22:11:01