an isoantigen that on exposure to its corresponding isoantibody causes agglutination of the red blood cells to which it is attached
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美
- 同种凝集原；同族凝集原一个同种（同族）抗原，在接触它相应的同种（同族）抗体的会导致与其附在一起的红细胞发生凝集
