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  2. Barrett's esophagus - Wikipedia

    en.wikipedia.org/wiki/Barrett's_esophagus

    Barrett's oesophagus, Allison-Johnstone anomaly, columnar epithelium lined lower oesophagus (CELLO) Endoscopic image of Barrett's esophagus, which is the area of dark reddish-brown mucosa at the base of the esophagus. (Biopsies showed intestinal metaplasia.) Specialty: Gastroenterology General surgery: Symptoms: Nausea

  3. Intestinal metaplasia - Wikipedia

    en.wikipedia.org/wiki/Intestinal_metaplasia

    Although H. pylori infection can cause gastrointestinal metaplasia, its eradication does not reverse the process. [1] Bile reflux is an additional pathogenic factor in gastrointestinal metaplasia that can continuously irritate the gastric mucosa. Bile acids in refluxed fluid are widely reported to be associated with gastrointesinal metaplasia ...

  4. Metaplasia - Wikipedia

    en.wikipedia.org/wiki/Metaplasia

    Metaplasia; Micrograph of a gastro-esophageal junction with pancreatic acinar metaplasia. The esophageal mucosa (stratified squamous epithelium) is seen on the right. The gastric mucosa (simple columnar epithelium) is seen on the left. The metaplastic epithelium is at the junction (center of image) and has an intensely eosinophilic (bright pink ...

  5. Gastrointestinal wall - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_wall

    The lamina propria, a layer of connective tissue within the mucosa. The muscularis mucosae, a thin layer of smooth muscle. The epithelium, the most exposed part of the mucosa, is a glandular epithelium with many goblet cells. Goblet cells secrete mucus, which lubricates the passage of food along and protects the intestinal wall from digestive ...

  6. Glandular metaplasia - Wikipedia

    en.wikipedia.org/wiki/Glandular_metaplasia

    Glandular metaplasia is a type of metaplasia where irritated tissue converts to a glandular form. An example occurs in the esophagus , where tissue becomes more similar to the tissue of the stomach .

  7. Intestinal epithelium - Wikipedia

    en.wikipedia.org/wiki/Intestinal_epithelium

    The intestinal epithelium is the single cell layer that forms the luminal surface (lining) of both the small and large intestine (colon) of the gastrointestinal tract.Composed of simple columnar epithelium its main functions are absorption, and secretion.

  8. Brush border - Wikipedia

    en.wikipedia.org/wiki/Brush_border

    Illustration of the brush border membrane of small intestinal villi. A brush border (striated border or brush border membrane) is the microvillus-covered surface of simple cuboidal and simple columnar epithelium found in different parts of the body. Microvilli are approximately 100 nanometers in diameter and their length varies from ...

  9. Pancreatic acinar metaplasia - Wikipedia

    en.wikipedia.org/wiki/Pancreatic_acinar_metaplasia

    Pancreatic acinar metaplasia; Micrograph of a gastro-esophageal junction with pancreatic acinar metaplasia. The esophageal mucosa (stratified squamous epithelium) is seen on the right. The gastric mucosa (simple columnar epithelium) is seen on the left.