semilunar valves

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Definitions from WordNet

Noun semilunar valve has 1 sense

semilunar valve - a heart valve with half-moon-shaped cusps; prevents blood from flowing back into the heart
--₁ is a kind of heart valve, cardiac valve
--₁ has particulars: aortic valve; pulmonary valve

Definitions from the Web

Semilunar Valves

Description:

Semilunar valves are a type of heart valve that allows the blood to flow in only one direction, preventing backflow and ensuring proper circulation.

Senses and Usages:

Anatomy: Semilunar valves are located between the ventricles and arteries of the heart. They consist of thin cusps or leaflets that open and close with the pressure changes of the heartbeat.
Medical: When semilunar valves are damaged or dysfunctional, it can lead to conditions like heart murmurs, stenosis, or regurgitation, requiring medical intervention.

Sample Sentences:

The semilunar valves play a crucial role in maintaining the blood flow from the heart to the rest of the body.
During diastole, the semilunar valves close to prevent the blood from flowing back into the ventricles.
A malfunctioning semilunar valve can cause significant cardiac complications.

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