#graft__transplant  (surgery) tissue or organ transplanted from a donor to a recipient; in some cases the patient can be both donor and recipient
  supertype:  animal_tissue  the tissue in the bodies of animals
  subtype:  autograft  tissue that is taken from one site and grafted to another site on the same person; "skin from his thigh replaced the burned skin on his arms"
  subtype:  homograft__allograft  tissue or organ transplanted from a donor of the same species but different genetic makeup; recipient's immune system must be suppressed to prevent rejection of the graft
  subtype:  heterograft__xenograft  tissue from an animal of one species used as a temporary graft (as in cases of severe burns) on an individual of another species

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