Source:http://linkedlifedata.com/resource/umls/id/C0000778
MSH: 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.,CSP: the major human blood type system, which depends on the presence or absence of the two antigenic structures, A and B.,NCI: A blood group system based on recognition of inherited differences in the H antigen as expressed on erythrocytes.,NCI: A system used to group human blood into different types, based on the presence or absence of certain markers on the surface of red blood cells. The four main blood types are A, B, O, and AB. For a blood transfusion, the ABO blood group system is used to match the blood type of the donor and the person receiving the transfusion. People with blood type O can donate blood to anyone and are called universal donors. People with blood type AB can accept b