Semilunar Valve (Noun)
Meaning
A heart valve with cusps shaped like half-moons; prevents blood from flowing back into the heart.
Classification
Nouns denoting body parts.
Examples
- The semilunar valve is located at the base of the pulmonary artery and the aorta, where it regulates blood flow out of the heart.
- The semilunar valve has three cusps that resemble half-moons, which open and close to control the flow of blood.
- Damage to the semilunar valve can lead to serious complications, including heart failure and pulmonary hypertension.
- During a heart transplant, the semilunar valve is carefully preserved to ensure proper blood flow in the new heart.
- The semilunar valve plays a crucial role in maintaining blood pressure and preventing backflow into the heart chambers.