| Metchnikoff's theory | The phagocytic theory, that the body is protected against infection by the leukocytes and other cells that engulf and destroy the invading microorganisms. (05 Mar 2000) |
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| Metchnikoff | Elie, Russian biologist in Paris and Nobel laureate, 1845-1916. See: Metchnikoff's theory. (05 Mar 2000) |
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