Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
successive transfer of an infectious agent through a series of cultures or experimental animals, usually to attenuate pathogenicity.
introduction followed by recovery of an infectious agent in an experimental animal or culture medium.
passage of an infectious agent through an experimental animal or medium without there being any evidence, clinical or cultural, that the agent is present.
repeated passage through a series of experimental animals or media, often with the objective of altering the virulence of the agent or adapting it to grow better.