ABO system (  b -  )n. A classification system for human blood that identifies four major blood types based on the presence or absence of two antigens, A and B, on red blood cells. The four blood types (A, B, AB, and O, in which O designates blood that lacks both antigens) are important in determining the compatibility of blood for transfusion. |
ABO system
n
(Medicine) a system for classifying human blood on the basis of the presence or absence of two antigens on the red cell membrane: there are four such blood types (A, B, AB, and O)
| ABO system (b-) A classification system for human blood that identifies four major blood types based on the presence or absence of two antigens, A and B, on red blood cells. The four blood types (A, B, AB, and O, in which O designates blood that lacks both antigens) are important in determining the compatibility of blood for transfusion. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  ABO system - a classification system for the antigens of human blood; used in blood transfusion therapy; four groups are A and B and AB and Oclassification system - a system for classifying things |
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