Definition of pseudomembrane in English:


Pronunciation /ˌso͞odōˈmemˌbrān/ /ˌsudoʊˈmɛmˌbreɪn/


  • A layer of exudate resembling a membrane, formed on the surface of the skin or of a mucous membrane, especially the conjunctiva.

    • ‘Interestingly, pseudomembranes with Aspergillus fungal organisms were also identified within necrotizing pseudomembranes of the tracheobronchial mucosa.’
    • ‘Development of pseudomembranes in the gastrointestinal tract during acute inflammatory or vascular diseases has been confined to the small and/or large bowel, with rare occurrences in the esophagus.’
    • ‘In severe exposure, necrosis of the respiratory epithelium leads to formation of a pseudomembrane, bronchial plugging, and bronchopneumonia.’
    • ‘The gastric mucosa had distended glands that extended to the pseudomembrane with a volcano-like appearance.’
    • ‘Microscopic examination showed the pseudomembranes arising from an area of ulceration, surrounded by acute and chronic inflammation.’



/ˌso͞odōˈmemˌbrān/ /ˌsudoʊˈmɛmˌbreɪn/