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Antibody (agglutinin)
proteins carried in blood plasma in response to contact with foreign particles
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Antigen (agglutinogen)
genetically determined molecules on the surface of RBCs
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Agglutination
binding of agglutinogen to agglutinin causes particles to form & clumping
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Type A
Antigen (on RBC):
Antibody (in plasma):
May receive blood from:
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Type B
Antigen (on RBC):
Antibody (in plasma):
May receive blood from:
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Type AB
Antigen (on RBC):
Antibody (in plasma):
May receive blood from:
- Both A and B
- None
- AB, A, B, O
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Type O
Antigen (on RBC):
Antibody (in plasma):
May receive blood from:
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Rh Factor
- Another antigen on the RBC:
- Rh- (no antigen)
- Rh+ (antigen present)
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