autoantigen

[aw-toh-an-ti-juhn, -jen]

au·to·an·ti·gen

[aw-toh-an-ti-juhn, -jen]
noun Immunology.
an antigen of one's own cells or cell products.
Also called self-antigen.


Origin:
auto-1 + antigen
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To autoantigen

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Autoantigen has a plethora of syllables.
So is pneumonoultramicroscopicsilicovolcanoconiosis. Does it mean:
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.
(used as a nonsense word by children to express approval or to represent the longest word in English.)
American Heritage
Medical Dictionary

autoantigen au·to·an·ti·gen (ô'tō-ān'tĭ-jən)
n.
A tissue constituent that evokes an immune response to the host's tissues.

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