A glycoprotein secreted by the cells of the GASTRIC GLANDS that is required for the absorption of VITAMIN B 12 (cyanocobalamin). Deficiency of intrinsic factor leads to VITAMIN B 12 DEFICIENCY and ANEMIA, PERNICIOUS.
Factor, Intrinsic
D009748
Nutrition Disorders
Disorders caused by nutritional imbalance, either overnutrition or undernutrition.