Xenografts, which are grafts between individuals of various species, have the greatest discrepancy and trigger the most immune response, leading to a quick rejection.
Xenografts, often known as heterologous transplantation or "foreign transplant," is the practise of transferring living cells, tissues, or organs from one species to another. The term "xenograft" or "xenotransplant" refers to such cells, tissues, or organs. It is in contrast to auto-transplantation (from another person of the same species), syngeneic transplantation or iso-transplantation (grafts placed between two people of the same species who are genetically identical), and auto-transplantation (from one part of the body to another in the same person).
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