intrinsic factor
noun Biochemistry.
a glycoprotein, secreted by the gastric mucosa, that is involved in the intestinal absorption of vitamin B12.
Origin of intrinsic factor
First recorded in 1925–30
Words nearby intrinsic factor
intricate,
intrigant,
intrigue,
intriguing,
intrinsic,
intrinsic factor,
intrinsic parity,
intrinsic reflex,
intrinsic semiconductor,
intrinsic sphincter,
intro
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
Medical 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