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semilunar    
a. 半月形的

半月形的

semilunar
adj 1: resembling the new moon in shape [synonym: {crescent(a)},
{crescent-shaped}, {semilunar}, {lunate}]


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  • Semilunar valve | Anatomy, Function, Diseases | Britannica
    The semilunar valves permit blood to flow into the arteries from the ventricles and prevent the backward flow of blood from the arteries into the ventricles The semilunar valves are made up of connective tissue and a thin smooth membrane known as the endocardium
  • The Heart Valves - Tricuspid - Aortic - Mitral - TeachMeAnatomy
    The semilunar valves are located between the ventricles and outflow vessels They close at the beginning of ventricular relaxation (diastole), producing the second heart sounds
  • AV and Semilunar Heart Valves - ThoughtCo
    Semilunar valves are shaped like a half moon, hence the name semilunar (semi-, -lunar) The semilunar valves are located between the aorta and the left ventricle, and between the pulmonary artery and the right ventricle
  • Semilunar valves- Definition, Anatomy, Types, Dysfunction
    A healthy semilunar valve comprises three valve leaflets, each connected to a specific sinus These valves are between the main arteries that take blood away from the heart, the arterial trunks, and the ventricular outflow tracts
  • Difference between AV Valves and Semilunar Valves
    The human heart contains two Valves called Semilunar Valves, which are positioned at the ventricle exits and are essential for controlling blood flow out of the heart
  • Heart valve - Wikipedia
    The two semilunar valves are at the entrance of the arteries leaving the heart These are the aortic valve at the aorta, and the pulmonary valve at the pulmonary artery The heart also has a coronary sinus valve and an inferior vena cava valve, not discussed here
  • Semilunar valve Definition and Examples - Biology Online
    Semilunar valves are paired valves of the heart at the bases of the aorta and the pulmonary artery They, together with atrioventricular valves, form the heart valves in humans
  • 17. 2C: Operation of Semilunar Valves - Medicine LibreTexts
    The semilunar valves are located at the connections between the pulmonary artery and the right ventricle, and the aorta and the left ventricle These valves allow blood to be pumped forward into the arteries, but prevent backflow of blood from the arteries into the ventricles
  • SEMILUNAR Definition Meaning - Merriam-Webster
    Medical Definition semilunar adjective semi· lu· nar -ˈlü-nər : shaped like a crescent





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