histocompatibility antigen

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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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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. 2022

How to use histocompatibility antigen in a sentence

Now, preventive protocols—like mammograms, colonoscopies, and Prostate-Specific Antigen tests—are being questioned.
Clinton Doc: This Is How We’ll Fix Health Care|Daniela Drake|June 12, 2014|DAILY BEAST
At the time his PSA screening revealed only a slightly higher level of the antigen than the cut-off for his age group.
Are PSA Screenings for Prostate Cancer Bad for Your Health?|Casey Schwartz|May 22, 2012|DAILY BEAST
Ford claims to have obtained proof that a glucoside contained in the poisonous mushroom Amanita phalloides can act as an antigen.
The Organism as a Whole|Jacques Loeb
The complement fixation test is like a Wassermann reaction, but the antigen should be polyvalent.
The Ethics of Medical Homicide and Mutilation|Austin O'Malley

It is not apparent that the nature of the antigen would affect Ehrlichs theory of the formation of antibodies.
The Fundamentals of Bacteriology|Charles Bradfield Morrey
If amboceptors as antigen are injected into an animal there will be formed by the animals cells antiamboceptors.
The Fundamentals of Bacteriology|Charles Bradfield Morrey
The substance within the introduced cell which acts as a stimulus (antigen) to the body cells is called an agglutinogen.
The Fundamentals of Bacteriology|Charles Bradfield Morrey

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 Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for histocompatibility antigen

histocompatibility antigen

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.