blood type
Blood type is a method of classification of blood, usually refers to the type of red blood cells, based on the existence of some red blood cell surface can be inherited antigen material. The antigenic substance may be a protein, a carbohydrate, a glycoprotein or a glycolipid. Usually some of the antigen from the same gene allele or closely linked to several genes encoding products, these antigens to form a blood group system. In the human, there are currently 30 types of blood-type systems that have been identified and recognized by the International Blood Transfusion Association, ABO blood group system, Rh blood group system, MNS blood group system, P blood system, and ABO blood type system and Rh blood group system Monkey factor) is most important. Blood type system is important for blood transfusion, with incompatible blood transfusion may lead to the occurrence of hemolytic reactions, resulting in hemolytic anemia, renal failure, shock and death. Neonatal hemolytic disease is also closely related to blood type. ...