noun (plural -sias or rickettsiae; also -sia) Etymology: New Latin, genus name, from Howard T. Ricketts died 1910 American pathologist Date: 1919 any of a family (Rickettsiaceae) of rod-shaped, coccoid, or diplococcus-shaped, often pleomorphic gram-negative bacteria that are intracellular parasites of arthropods (as lice or ticks) and when transmitted to humans cause various diseases (as typhus) • rickettsial adjective

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Rickettsia — Systematik Domäne: Bakterien (Bacteria) Abteilung: Proteobacteria Klasse: Alpha Proteobacteria …   Deutsch Wikipedia

  • Rickettsia — Saltar a navegación, búsqueda ? Rickettsia Células infectadas por Rickettsia rickettsii …   Wikipedia Español

  • Rickettsia — Rickettsia …   Wikipédia en Français

  • Rickettsia — f. microb. Grupo de bacterias gram negativas parásitos obligados que actúan como agentes causales de muchas enfermedades coma la fiebre de las Montañas Rocosas o la fiebre Q. Medical Dictionary. 2011. Rickettsia …   Diccionario médico

  • Rickettsia — См. Риккетсии (Источник: «Словарь терминов микробиологии») …   Словарь микробиологии

  • rickettsia — RICKÉTTSIA [ CHE ŢI ] s. f. parazit unicelular microscopic, care produce la oameni şi la animale o serie de boli infecţioase. (< fr. rickettsie) Trimis de raduborza, 24.05.2008. Sursa: MDN …   Dicționar Român

  • rickettsia — parasitic organism, 1919, named 1916 in Mod.L. by H. da Rocha Lima in honor of U.S. pathologist H.T. Ricketts (1871 1910), who first identified it in 1909 and died of typhus as a result of his contact with it. The bacteria causes typhus and Rocky …   Etymology dictionary

  • rickettsia — s. f. [Medicina] Gênero de microrganismos intermediários entre os vírus e as bactérias, agentes de certas doenças contagiosas (tifo) …   Dicionário da Língua Portuguesa

  • rickettsia — ☆ rickettsia [ri ket′sē ə ] n. pl. rickettsiae [ri ket′sēē΄] or rickettsias [ModL, after H. T. Ricketts (1871 1910), U.S. pathologist + IA] any of several families (esp. Rickettsiaceae) of Gram negative bacteria that are the causative agents of… …   English World dictionary

  • Rickettsia — Taxobox color = lightgre name = Rickettsia image caption = Rickettsia rickettsii brown = Bacteria phylum = Proteobacteria classis = Alpha Proteobacteria ordo = Rickettsiales familia = Rickettsiaceae genus = Rickettsia genus authority = da Rocha… …   Wikipedia

  • Rickettsia — Rickettsia …   Wikipédia en Français

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