Medical Dictionary

legionella

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noun le·gion·el·la \ˌlē-jə-ˈnel-ə\

Medical Definition of legionella

  1. 1 capitalized :  a genus of gram-negative rod-shaped bacteria (family Legionellaceae) that includes the causative agent (L. pneumophila) of Legionnaires' disease

  2. 2plural legionellae \-ˌē\ also legionellas :  a bacterium of the genus Legionella


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a dividing ridge between drainage areas

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