1. An antibody that reacts with antigens present on the red blood cells of other individuals of the same species, particularly in blood typing and transfusion medicine.
Usage: technical; medical; immunology

Examples

• Blood banks test for isoaggluninins to ensure safe transfusions between donors and recipients.
• The presence of isoaggluninins in a patient's serum can cause hemolytic transfusion reactions.
• Isoaggluninins are naturally occurring antibodies found in human blood plasma.
• Serologists identify isoaggluninins during the crossmatching process before surgery.
• Anti-A and anti-B isoaggluninins are the most clinically significant in blood group compatibility.