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cross matching

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noun Medicine/Medical.

the testing for compatibility of a donor's and a recipient's blood prior to transfusion, in which serum of each is mixed with red blood cells of the other and observed for hemagglutination.

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Also cross·match [kraws-mach, kros-]. /ˈkrɔsˌmætʃ, ˈkrɒs-/.

Origin of cross matching

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Medical definitions for cross matching

cross matching

n.

A test for determining the compatibility between the blood of a donor and that of a recipient before transfusion; the clumping of red blood cells indicates incompatibility.
A test for determining tissue compatibility between a transplant donor and the recipient before transplantation, in which the recipient's serum is tested for antibodies that may react with the lymphocytes or other cells of the donor.
The process of performing one of these tests.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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