histocompatibility antigen
noun Immunology.
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.
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seclusion
Origin of histocompatibility antigen
First recorded in 1965–70
Words nearby histocompatibility antigen
histioid, histo-, histoblast, histochemistry, histocompatibility, histocompatibility antigen, histocompatibility gene, histocyte, histocytosis, histodialysis, histodifferentiation
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for histocompatibility antigen
histocompatibility antigen
noun
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
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Medical definitions for histocompatibility antigen
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.