Semilunar valves Notes: Definitions & Explanations PDF | Download eBooks
Study Semilunar valves lecture notes PDF with biology definitions and explanation to study What are Semilunar valves?. Study semilunar valves explanation with biology terms to review biology course for online degree programs.
Semilunar valves Definition:
Semilunar valves are located at the two exits of the heart: where the aorta leaves the left ventricle and where the pulmonary artery leaves the right ventricle.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Semilunar valves Notes:
The aortic and pulmonary valves are located at the base of the aorta and the pulmonary trunk respectively. These are also called the "semilunar valves. These valves are pushed open by the pressure generated during contraction of the ventricles. When the ventricles relax, blood pressure built up in the aorta and pulmonary artery closes the semilunar valves and prevents significant backflow.
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