histocompatibility antigen
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his·to·com·pat·i·bil·i·ty an·ti·gen
an antigen on the surface of nucleated cells, particularly leucocytes and thrombocytes.
See also: H-2 antigens.
See also: H-2 antigens.
Synonym(s): transplantation antigen
Farlex Partner Medical Dictionary © Farlex 2012
histocompatibility antigen
n.
Any of the genetically determined antigens on the surface of cell membranes that identify a cell as self or nonself and that determine whether a tissue graft will be accepted by an organ transplant recipient.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.