from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An integrated bodily response to an antigen, especially one mediated by lymphocytes and involving recognition of antigens by specific antibodies or previously sensitized lymphocytes.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The body's integrated response to an antigen, mediated by lymphocytes.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a bodily defense reaction that recognizes an invading substance (an antigen: such as a virus or fungus or bacteria or transplanted organ) and produces antibodies specific against that antigen
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