Definition of pseudomembrane in English:
pseudomembrane
noun ˌsjuːdəʊˈmɛmbreɪnˌso͞odōˈmemˌbrān
Medicine A layer of exudate resembling a membrane, formed on the surface of the skin or of a mucous membrane, especially the conjunctiva.
Example sentencesExamples
- Microscopic examination showed the pseudomembranes arising from an area of ulceration, surrounded by acute and chronic inflammation.
- The gastric mucosa had distended glands that extended to the pseudomembrane with a volcano-like appearance.
- 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.
- Interestingly, pseudomembranes with Aspergillus fungal organisms were also identified within necrotizing pseudomembranes of the tracheobronchial mucosa.
Derivatives
adjective
Medicine Minerva was once prescribed treatment for asymptomatic Helicobacter pylori infection and ended up with pseudomembranous colitis.
Example sentencesExamples
- The first description of pseudomembranous lesions in the gastrointestinal tract was by Finney in 1883.1 The patient was a 22-year-old woman who had a tumor resected from the stomach.
- The patient was a 64-year-old woman with end-stage renal disease and sepsis who underwent colonoscopy to evaluate the possibility of pseudomembranous colitis.
- Bacterial tracheitis (also called pseudomembranous croup) is an uncommon infection that usually occurs in children and has a severe, rapidly progressive course.
- In patients with pseudomembranous colitis vancomycin may occasionally reach therapeutic concentrations in serum, which can theoretically damage a fetus's VIIIth cranial nerve.