prothrombin
a plasma protein involved in blood coagulation that on activation by factors in the plasma is converted to thrombin.
Origin of prothrombin
1- Also called thrombogen.
Words Nearby prothrombin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for prothrombin
/ (prəʊˈθrɒmbɪn) /
biochem a zymogen found in blood that gives rise to thrombin on activation: See also phylloquinone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for prothrombin
[ prō-thrŏm′bĭn ]
A glycoprotein that is converted to thrombin during blood clotting. Prothrombin is formed by and stored in the liver.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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