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A complete blood type would describe each of the 45 blood groups, and an individual's blood type is one of many possible combinations of blood-group antigens. [3] Almost always, an individual has the same blood group for life, but very rarely an individual's blood type changes through addition or suppression of an antigen in infection, malignancy, or autoimmune disease.
ABO blood group antigens present on red blood cells and IgM antibodies present in the serum. The ABO blood group system is used to denote the presence of one, both, or neither of the A and B antigens on erythrocytes (red blood cells). [ 1] For human blood transfusions, it is the most important of the 44 different blood type (or group ...
The blood type personality theory[ 1] is a pseudoscientific belief prevalent in Japan which states that a person's blood group system is predictive of a person's personality, temperament, and compatibility with others. [ 2] The theory is generally considered a superstition by the scientific community.
Blood type (also called a blood group) is a classification of blood, based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells (RBCs). These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system.
Four temperaments. The four temperament theory is a proto-psychological theory which suggests that there are four fundamental personality types: sanguine, choleric, melancholic, and phlegmatic. [ 2][ 3] Most formulations include the possibility of mixtures among the types where an individual's personality types overlap and they share two or ...
Type B. Type B is a behavior pattern that is lacking in Type A behaviors. A-B personality is a continuum over which one either leans to be more Type A or Non Type A (Type B). [ 21] The hypothesis is that Type B individuals are noted to live at lower stress levels.
For the an overview of the main blood types and their clinical significance, see Blood type. The term human blood group systems is defined by the International Society of Blood Transfusion (ISBT) as systems in the human species where cell-surface antigens —in particular, those on blood cells—are "controlled at a single gene locus or by two ...
Blood transfusion is the process of transferring blood products into a person's circulation intravenously. [ 1] Transfusions are used for various medical conditions to replace lost components of the blood. Early transfusions used whole blood, but modern medical practice commonly uses only components of the blood, such as red blood cells, plasma ...