略語大辞典 [Med] 12 IF intrinsic factor 内在性因子. 胃壁細胞が産生する蛋白の名.intrinsic factor; a protein that is produced by gastric parietal cells and binds to and facilitates the absorption ofvitamin B12; antibodies to IF are found in some serum of patients with pernicious anaemia; [Med:Bio:Chem]. 丸善「略語大辞典」JLogosID : 11878143