| 释义 |
abo system
\|āˌbēˈō-, ˌābēˈō-\ noun
Usage: usually capitalized A&B&O
: the basic system of antigens of human blood behaving in heredity as an allelic unit to produce any of the four blood groups A, B, AB, or O according to the particular antigens passed from parents to child — called also ABO group; compare isoantibody, rh factor |