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presphygmic interval

presphygmic interval in Medicine

presphygmic interval n.
The brief period at the beginning of the ventricular systole during which the pressure rises before the semilunar valves open. Also called presphygmic period.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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