ABO Blood-Group System
MESHD000017
The major human blood type system which depends on the presence or absence of two antigens A and B. Type O occurs when neither A nor B is present and AB when both are present. A and B are genetic factors that determine the presence of enzymes for the synthesis of certain glycoproteins mainly in the red cell membrane.
Synonyms
- ABO Blood Group System
- Blood-Group System, ABO
- System, ABO Blood-Group
- ABH Blood Group
- Blood Group, ABH
- H Blood Group
- Blood Group, H
- H Blood Group System
- ABO Blood Group
- Blood Group, ABO
- ABO Factors
- Factors, ABO
- Blood Group H Type 1 Antigen
Source last updated 2026-05-24T15:28:24.502Z