Immunologic Factor
bacterial capsule
bac·te·ri·al cap·sule
Subclass of:
Bacterial Structures
Definitions related to bacterial capsules:
  • Envelope of loose gel surrounding a bacterial cell which is associated with the virulence of pathogenic bacteria; some capsules have a well-defined border, whereas others form a slime layer that trails off into the medium; most capsules consist of relatively simple polysaccharides but there are some bacteria whose capsules are made of polypeptides.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • An envelope of loose gel surrounding a bacterial cell which is associated with the virulence of pathogenic bacteria. Some capsules have a well-defined border, whereas others form a slime layer that trails off into the medium. Most capsules consist of relatively simple polysaccharides but there are some bacteria whose capsules are made of polypeptides.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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