blood type

blood type
A classification of blood that is based on the presence or absence of antigens in the red blood cells of an individual. For the purposes of blood transfusion three antigens referred to as "A", "B" and "RhD" (out of a total of 29) are the most important. Based on their presence the human blood can be classified to A, AB, B, and O blood types which are further divided to Rh positive or negative.

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  • Blood type — (or blood group) is determined, in part, by the ABO blood group antigens present on red blood cells. A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the… …   Wikipedia

  • blood type — ☆ blood type n. any of the divisions in a classification of blood based on the individual agglutinogens of a given blood group that are present on a person s red blood cells: the presence of the agglutinogens is detected by the cells reactions… …   Universalium

  • blood type — ☆ blood type n. any of the divisions in a classification of blood based on the individual agglutinogens of a given blood group that are present on a person s red blood cells: the presence of the agglutinogens is detected by the cells reactions… …   English World dictionary

  • blood type — n especially AmE one of the classes into which human blood can be separated, including A, B, AB, and O British Equivalent: blood group …   Dictionary of contemporary English

  • blood type — blood types N COUNT Someone s blood type is the same as their blood group …   English dictionary

  • blood type — blood ,type noun count one of the groups that human blood can be divided into. The four main groups are A, B, AB, and O …   Usage of the words and phrases in modern English

  • blood type — blood′ type n. phl blood group • Etymology: 1930–35 …   From formal English to slang

  • blood type — noun human blood cells (usually just the red blood cells) that have the same antigens • Syn: ↑blood group • Hypernyms: ↑blood • Hyponyms: ↑A, ↑type A, ↑group A, ↑B, ↑ …   Useful english dictionary

  • blood type — The specific agglutination pattern of erythrocytes of an individual to the antisera of one blood group; e.g., the ABO blood group consists of four major blood type s: O, A, B, and AB. This classification depends on the presence or absence …   Medical dictionary

  • blood-type — ˈ ̷ ̷ˌ ̷ ̷ transitive verb Etymology: blood type : to determine the blood group of (an individual) * * * blood type, = blood group. (Cf. ↑blood group) blood type «BLUHD TYP», transitive verb, typed …   Useful english dictionary

  • blood type — UK / US noun [countable] Word forms blood type : singular blood type plural blood types medical mainly American a blood group …   English dictionary

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