Medical Definition of Cross-reacting material
1.
A substance sufficiently different from a reference substance (R) to have a perceptibly different function from R but sufficiently similar to R that it reacts with anti-R antibodies; e.g., mutant factor VIII may be defective or even inert in coagulation and yet be immunologically identified as factor VIII.
(05 Mar 2000)
Lexicographical Neighbors of Cross-reacting Material
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