Final answer:
The Eichwald Silmser effect in transplantation is the rejection of transplanted organs or tissues due to differences in MHC markers between the donor and recipient.
Explanation:
The Eichwald Silmser effect in transplantation is defined by the rejection of transplanted organs or tissues due to differences in major histocompatibility complex (MHC) markers, specifically MHC I and MHC II (human leukocyte antigens or HLAs), between the donor and recipient. The presence of different MHC molecules can trigger an immune response, leading to the recognition of the transplanted tissue as foreign and subsequent rejection.
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