Intrinsic Factor

**Definition:** 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.

**Tree numbers:** - D09.400.430.900.494 - D12.776.395.560.494