blood group antigen

https://doi.org/10.1351/goldbook.12956
Surface antigen on erythrocytes, detectable with a specific antibody from other individuals.
Note: The major blood group antigens ABO and Rh (Rhesus) are used in routine blood banking to type blood, but there are many other blood group antigens that can also be detected in cross-matching.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1135 [Terms] [Paper]