self-recognition
noun
self-rec·og·ni·tion
ˌself-ˌre-kig-ˈni-shən
-kəg-
1
: recognition of one's own self
2
: the process by which the immune system of an organism distinguishes between the body's own chemicals, cells, and tissues and those of foreign organisms and agents
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Merriam-Webster unabridged
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