Passage

Passage (Medicine)

Passage (pronunciation: /ˈpasij/) is a term used in Medicine and Microbiology to describe the process of transferring a Microorganism from one host to another. It is a method used to maintain or increase the Virulence of the microorganism.

Etymology

The term "passage" comes from the French word passage, which means "a passing". In the context of medicine and microbiology, it refers to the "passing" of a microorganism from one host to another.

Related Terms

• Host: An organism that harbors a parasitic, a mutualistic, or a commensalist guest (symbiont), typically providing nourishment and shelter.
• Microorganism: A microscopic organism, which may exist in its single-celled form or in a colony of cells.
• Virulence: The degree of pathogenicity within a group or species of parasites as indicated by case fatality rates and/or the ability of the organism to invade the tissues of the host.
• Pathogen: A bacterium, virus, or other microorganism that can cause disease.
• Inoculation: The placement of something that will grow or reproduce, and is most commonly used in respect of the introduction of a serum, vaccine, or antigenic substance into the body of a human or animal.

External links

• Medical encyclopedia article on Passage
• Wikipedia's article - Passage

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