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foreign

   Also found in: Dictionary/thesaurus, Legal, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
foreign /for·eign/ (for´en) in immunology, pertaining to substances not recognized as “self” and capable of inducing an immune response.
foreign [for´en]
1. not normal or usual to a place.
2. in immunology, pertaining to substances not recognized as “self” and capable of inducing an immune response.
foreign body reaction a granulomatous inflammatory response evoked by the presence of a foreign body in the tissues; a characteristic feature of this is the formation of foreign body giant cells (see giant cell).


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