mismatched related donor
Also found in: Dictionary, Thesaurus, Legal, Financial, Acronyms, Encyclopedia.
mismatched related donorAbbreviation: MMRD
An organ or tissue donor who is a family member of the organ recipient but whose human leukocyte antigens are not identical to those of the recipient. In general in organ transplantation, organ and recipient survival are highest when the donor and the recipient share the same HLA antigens.Synonym: HLA-mismatched related donor
See also: donor