blood group-specific substances A and B

blood group-spe·cif·ic sub·stanc·es A and B

solution of complexes of polysaccharides and amino acids that reduces the titer of anti-A and anti-B isoagglutinins in serum from those with group O; used to render group O blood reasonably safe for transfusion into those with group A, B, or AB, but does not affect any incompatibility that results from various other factors, such as Rh.
Farlex Partner Medical Dictionary © Farlex 2012

blood group-spe·cif·ic sub·stanc·es A and B

(blŭd grūp-spĕ-sif'ik sŭb'stăns-ĕz)
Solution of complexes of polysaccharides and amino acids that reduces the titer of anti-A and anti-B isoagglutinins in serum from people in group O; used to render group O blood reasonably safe for transfusion into people in groups A, B, or AB, without affecting any incompatibility that results from various other factors, such as Rh.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012