matching (redirected from Matched edge)

matching /match·ing/ (mach´ing)

1. comparison and selection of objects having similar or identical characteristics.

2. selection of compatible donors and recipients for transfusion or transplantation.

3. selection of subjects for clinical trials or other studies so that the different groups are similar in selected characteristics.

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cross matching  crossmatching.

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match·ing (mchng)

n.

The process of comparing a study group and a comparison group in an epidemiological study with respect to extraneous or confounding factors such as age, sex, or breed.

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matching

comparison for the purpose of selecting objects having similar or identical characteristics.

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blood matching

see cross-matching (below).

control matching

see matched study.

cross-matching

determination of the compatibility of the blood or tissue of a donor and that of a recipient before transfusion by placing erythrocytes or leukocytes of the donor in the recipient's serum and erythrocytes or leukocytes of the recipient in the donor's serum. Absence of agglutination, hemolysis and cytotoxicity indicates that the two blood or tissue samples belong to the same group and are compatible.