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Graft-versus-host disease

[graft-vur-suh s-hohst, grahft-] /ˈgræftˌvɜr səsˈhoʊst, ˈgrɑft-/

a reaction in which the cells of transplanted tissue immunologically attack the cells of the host organism, occurring especially in bone-marrow transplants.

graft-versus-host disease n.
A type of incompatibility reaction of transplanted cells against host tissues that possess an antigen not possessed by the donor. Also called graft versus host reaction.


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