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sphygmic interval

n.
  1. The period in the cardiac cycle when the semilunar valves are open and blood is ejected from the ventricles into the arterial system.ejection period sphygmic period
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.