[graft-vur-suh s-hohst, grahft-]
a reaction in which the cells of transplanted tissue immunologically attack the cells of the host organism, occurring especially in bone-marrow transplants.
Origin of graft-versus-host disease
First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A type of incompatibility reaction of transplanted cells against host tissues that possess an antigen not possessed by the donor.graft-versus-host reaction
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.