Bacterium
haemophilus influenzae
Subclass of:
Hemophilus
Definitions related to haemophilus influenzae:
  • A species of facultatively anaerobic or aerobic, Gram negative, rod shaped bacteria assigned to the phylum Proteobacteria. This species is nonmotile, catalase and oxidase positive, porphyrin negative, requires both X and V factors to grow in culture, and may be encapsulated or nonencapsulated. H. influenzae is an opportunistic pathogen causing a wide variety of infections including osteomyelitis, meningitis, conjunctivitis and pneumonia.
    NCI
    U.S. National Cancer Institute, 2021
  • A species of HAEMOPHILUS found on the mucous membranes of humans and a variety of animals. The species is further divided into biotypes I through VIII.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Any bacterial organism that can be assigned to the species Haemophilus influenzae.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • Species of Haemophilus found on the mucous membranes of humans and a variety of animals; the species is further divided into biotypes I through VIII.
    CRISP Thesaurus
    National Institutes of Health, 2006
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