intrinsic factor

views updated May 21 2018

intrinsic factor A protein secreted in the gastric juice which is required for the absorption of vitamin B12; impaired secretion results in pernicious anaemia.

intrinsic factor

views updated Jun 11 2018

intrinsic factor n. a glycoprotein secreted in the stomach. The secretion of intrinsic factor is necessary for the absorption of vitamin B12; a failure of secretion leads to a deficiency of the vitamin and the condition of pernicious anaemia.

intrinsic factor

views updated May 21 2018

intrinsic factor See vitamin B complex.