noun
ABO blood type; ABO blood group system
Medical and biological term for the ABO blood group classification system.
ABO式血液型は、赤血球の抗原によって分類されます。
The ABO blood group system is classified by antigens on red blood cells.
Compound of ABO (ABO, from the ABO blood group system), 式 (system, type), and 血液型 (blood type).