foreign

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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).

foreign

/for·eign/ (for´en) in immunology, pertaining to substances not recognized as “self” and capable of inducing an immune response.

foreign

(fôr′ĭn, fŏr′-)
adj.
1. Situated in an abnormal or improper place in the body and typically introduced from outside: a foreign object in the eye.
2. Subject to the jurisdiction of another political unit.

for′eign·ness n.