passage


passage
1. The act of passing. 2. A discharge, as from the bowels or of urine. 3. Inoculation of a series of animals with the same strain of a pathogenic microorganism whereby the virulence usually is increased, but is sometimes diminished. 4. A channel, duct, pore, or opening. [Mediev. L. passo, to pass]
- blind p. successive transfer of an agent through cultures or animals without apparent replication or disease.
- nasopharyngeal p. SYN: nasopharyngeal meatus.
- serial p. successive transfer of an infectious agent through a series of cultures or experimental animals, usually to attenuate pathogenicity.

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pas·sage 'pas-ij n
1) the action or process of passing from one place, condition, or stage to another <the \passage of air from the lungs (Encyc. Americana)>
2) an anatomical channel <the nasal \passages>
3) a movement or an evacuation of the bowels
4 a) an act or action of passing something or undergoing a passing <\passage of a catheter through the urethra>
b) incubation of a pathogen (as a virus) in a tissue culture, a developing egg, or a living organism to increase the amount of pathogen or to alter its characteristics <several \passages of the virus through mice>
passage vt, pas·saged; pas·sag·ing to subject to passage <the virus has been passaged in series seven times (Jour. Amer. Med. Assoc.)>

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pas·sage (pasґəj) a 1. channel. 2. the act of moving from one place to another. discharge (def. 3). 3. introduction of infectious material into an experimental animal or culture medium, followed by recovery of the infectious agent. 4. the introduction of a catheter, probe, sound, or bougie through a natural channel such as the urethra.

Medical dictionary. 2011.

Synonyms:

Look at other dictionaries:

  • Passage — (de) …   Kölsch Dialekt Lexikon

  • Passage — Passage …   Deutsch Wörterbuch

  • passage — [ pasaʒ ] n. m. • 1160; sens II 1080; de passer I ♦ Action, fait de passer. 1 ♦ (En traversant un lieu, en passant par un endroit). Lieu, voie de passage. Passage interdit. Passage protégé, lorsque la voie principale est prioritaire au croisement …   Encyclopédie Universelle

  • Passage — Pas sage, n. [F. passage. See {Pass}, v. i.] 1. The act of passing; transit from one place to another; movement from point to point; a going by, over, across, or through; as, the passage of a man or a carriage; the passage of a ship or a bird;… …   The Collaborative International Dictionary of English

  • passage — Passage, m. penac. Signifie tantost l allée et le voyage d un lieu à autre, Profectio. Le passage de l armée est dangereux, Plena periculi res est, exercitus praefectio. Prendre un Faulcon au passage, Accipitrem in ipsa migratione intercipere. Et …   Thresor de la langue françoyse

  • passage — Passage. s. m. v. Action de passer. Durant le passage de l armée. je ne veux point de maison sur ce chemin là, elle est trop sujette au passage des gens de guerre. durant le passage des ramiers. des hirondelles, des cailles. On appelle, Oyseaux… …   Dictionnaire de l'Académie française

  • Passage — may refer to:In music: * Section (music), a complete musical idea * Period (music), about 8 measures * Phrase (music), about 4 to 8 measures * Passage ( Carpenters album), an album by American brother/sister duo The Carpenters * Passage (Samael… …   Wikipedia

  • passage — pas‧sage [ˈpæsɪdʒ] noun [uncountable] LAW the progress of a law, bill etc through parliament before it takes effect: • A month after its passage, Italy s insider trading law is continuing to stir debate. passage of • One result of the oil crisis… …   Financial and business terms

  • Passage — (französisch für „Durchgang“) steht für einen Seeweg Passagierbeförderung im Luftverkehr, siehe Flugreise eine Landenge (z. B. die Philadelphi Passage) die Passage Insel, eine der australischen Bellevue Inseln eine astronomischen Erscheinung …   Deutsch Wikipedia

  • Passage — Saltar a navegación, búsqueda Cuarto disco de estudio de la banda suiza Samael. Nuevamente bajo la producción de Waldemar Sorychta, Samael consolidó el nuevo sonido en que se había embarcado desde Ceremony of Opposites, aunque ahora bastante más… …   Wikipedia Español

  • passage — / passageway [n1] path for travel access, alley, alleyway, avenue, channel, corridor, course, doorway, entrance, entrance hall, exit, gap, hall, hallway, lane, line, lobby, opening, pathway, road, route, shaft, subway, thoroughfare, tunnel,… …   New thesaurus


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