The major human blood type system which depends on the presence or absence of two antigens A and B. Type O occurs when neither A nor B is present and AB when both are present. A and B are genetic factors that determine the presence of enzymes for the synthesis of certain glycoproteins mainly in the red cell membrane.
Also Known As:
Blood Group H Type 1 Antigen; H Blood Group; H Blood Group System; ABO Blood Group System; Blood Group, ABH; Blood Group, ABO; Blood Group, H; Blood-Group System, ABO; Factors, ABO; System, ABO Blood-Group; ABH Blood Group; ABO Blood Group; ABO Factors