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histocompatibility antigen

noun, Immunology
1.
any antigen on the surface of tissue or blood cells that provokes the immune response and subsequent rejection when transplanted to an individual of a different antigenic type, thus determining whether the tissues or organs of a donor and recipient are histocompatible.
Origin
1965-1970
1965-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for histocompatibility-antigen

histocompatibility antigen

noun
1.
a molecule occurring on the surface of tissue cells that can take several different forms. The differences between histocompatibility antigens are inherited and determine organ transplant rejection
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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histocompatibility-antigen in Medicine

histocompatibility antigen n.
Any of various antigens on the surface of cell membranes that serve to identify a cell as self or nonself and are used to determine whether a tissue graft or transfusion will be accepted by a recipient.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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