Blood type - Wikipedia
Blood type (or blood group) is determined, in part, by the ABO blood group antigens present on red blood cells. A blood type (also known as 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 …
Blood Types Explained - A, B, AB and O | Red Cross Blood Services
Discover what blood types are compatible with yours. Get our guide to find out. There are four major blood groups determined by the presence or absence of two antigens, A and B, on the surface of red blood cells.
Blood Types: Main Groups, Most Common, and Rarest - Verywell …
2023年9月15日 · There are eight blood types, divided into four categories: A, B, AB, and O, and whether Rh positive or negative. These types are determined by antigens on red blood cells. Learn what this means.
Blood Group- Definition, Systems, Types, Significances - Microbe …
2023年8月3日 · Blood group, also known as blood type, is a category (type) of blood groups based on the presence and absence of blood group antigens in the surface (membrane) of the RBCs, and antibodies on the plasma.
Blood Types: What They Are and Mean for Your Health - Cleveland Clinic
2023年3月14日 · There are four main blood types: A, B, AB and O. Blood bank specialists determine your blood type based on whether you have antigen A or B on your red blood cells. They also look for a protein called the Rh factor.
Human blood group systems - Wikipedia
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 or more very closely linked homologous genes with little or no observable recombination between th...
Blood Types & ABO Blood Group Test: What Blood Type Are You? - WebMD
2023年3月5日 · The four major blood groups are based on whether or not you have two specific antigens -- A and B. Doctors call this the ABO Blood Group System. Group A has the A antigen and B antibody.
Blood group | Types, Uses, & Facts | Britannica
2024年12月19日 · Blood group, classification of blood based on inherited differences in antigens on the surfaces of the red blood cells. The most well-known classification, the ABO blood group system, was developed by Austrian-born American biologist Karl Landsteiner in 1901.
Blood Types – A, B, AB, O, Rh - Science Notes and Projects
2023年11月28日 · Blood types are a classification of blood based on the presence or absence of specific antigens on the surface of red blood cells. These antigens determine the body’s immune response to foreign substances and are crucial in the context of blood transfusions, organ transplants, and pregnancy.
Blood groups - NHS
There are 4 main blood groups (types of blood) – A, B, AB and O. Your blood group is determined by the genes you inherit from your parents. Each group can be either RhD positive or RhD negative, which means in total there are 8 blood groups. Blood is made up of red blood cells, white blood cells and platelets in a liquid called plasma.