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Bacterium
legionella Audio
le·gion·el·la [ lee-juh-nel-uh ]
Subclass of:
Legionellaceae
Definitions related to legionella:
  • A genus of Gram-negative aerobic, motile, nonacid fast, nonencapsulated, gram-negative bacilli that have a nonfermentative metabolism in the phylum Proteobacteria.
    NCI
    U.S. National Cancer Institute, 2021
  • Any bacteria that is not assigned to the species level but can be assigned to the Legionella genus level.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • Gram negative aerobic rods, isolated from surface water, mud, or thermally polluted lakes or streams; it is pathogenic for man and it has no known soil or animal sources.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Gram-negative aerobic rods, isolated from surface water or thermally polluted lakes or streams. Member are pathogenic for man. Legionella pneumophila is the causative agent for LEGIONNAIRES' DISEASE.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.

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