from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a semilunar valve between the left ventricle and the aorta; prevents blood from flowing from the aorta back into the heart


Sorry, no etymologies found.


  • Autopsy showed caseous nodules in lung, coronary and generalized arteriosclerosis (including moderate basal cerebral), mitral and aortic stenosis (the aortic valve also calcified).

    The Journal of Abnormal Psychology


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