definitions

intrinsic factor

noun Biochemistry.

a glycoprotein, secreted by the gastric mucosa, that is involved in the intestinal absorption of vitamin B12.

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Nearby words

intricate, intrigant, intrigue, intriguing, intrinsic, intrinsic factor, intrinsic parity, intrinsic reflex, intrinsic semiconductor, intrinsic sphincter, intro

Origin of intrinsic factor

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for intrinsic factor

intrinsic factor

noun

biochem a glycoprotein, secreted by the stomach, the presence of which is necessary for the absorption of cyanocobalamin (vitamin B 12) in the intestine
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

Medicine definitions for intrinsic factor

intrinsic factor

n.

A relatively small mucoprotein secreted by the parietal cells of gastric glands and required for adequate absorption of vitamin B12 for production of red blood cells.Castle's intrinsic factor
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.