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  2. Goblet cell - Wikipedia

    en.wikipedia.org/wiki/Goblet_cell

    Goblet cells are simple columnar epithelial cells, having a height of four times that of their width. The cytoplasm of goblet cells tends to be displaced toward the basal end of the cell body by the large mucin granules, which accumulate near the apical surface of the cell along the Golgi apparatus, which lies between the granules and the nucleus.

  3. Gastrointestinal wall - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_wall

    Absorptive cell: Epithelium/intestinal glands: Digestion and absorption of nutrients in chyme Goblet cell: Epithelium/intestinal glands: Secretion of mucus Paneth cell: Intestinal glands: Secretion of the bactericidal enzyme lysozyme; phagocytosis G cells: Intestinal glands of duodenum: Secretion of the hormone intestinal gastrin: I cells

  4. Intestinal epithelium - Wikipedia

    en.wikipedia.org/wiki/Intestinal_epithelium

    The other cell types are the secretory cells – goblet cells, Paneth cells, enteroendocrine cells, and Tuft cells. Paneth cells are absent in the colon. [1] [2] As part of its protective role, the intestinal epithelium forms an important component of the intestinal mucosal barrier. Certain diseases and conditions are caused by functional ...

  5. Intestinal mucosal barrier - Wikipedia

    en.wikipedia.org/wiki/Intestinal_mucosal_barrier

    The mucus prevents large particles from contacting the epithelial cell layer while allowing small molecules to pass. The mucus also facilitates passage of the luminal contents along the length of the intestines, protects the epithelial cells from digestive enzymes, and prevents the direct contact of microorganisms with the epithelial layer.

  6. Simple columnar epithelium - Wikipedia

    en.wikipedia.org/wiki/Simple_columnar_epithelium

    The ciliated part of the simple columnar epithelium has tiny hairs which help move mucus and other substances up the respiratory tract. The shape of the simple columnar epithelium cells are tall and narrow giving a column like appearance. the apical surfaces of the tissue face the lumen of organs while the basal side faces the basement membrane ...

  7. Intestinal gland - Wikipedia

    en.wikipedia.org/wiki/Intestinal_gland

    The glands and intestinal villi are covered by epithelium, which contains multiple types of cells: enterocytes (absorbing water and electrolytes), goblet cells (secreting mucus), enteroendocrine cells (secreting hormones), cup cells, myofibroblast, tuft cells, and at the base of the gland, Paneth cells (secreting anti-microbial peptides) and ...

  8. Mucus - Wikipedia

    en.wikipedia.org/wiki/Mucus

    Mucous cells of the stomach lining secrete mucus (pink) into the lumen. Mucus (/ ˈ m j uː k ə s /, MEW-kəs) is a slippery aqueous secretion produced by, and covering, mucous membranes. It is typically produced from cells found in mucous glands, although it may also originate from mixed glands, which contain both serous and mucous cells.

  9. Mucous membrane - Wikipedia

    en.wikipedia.org/wiki/Mucous_membrane

    The mucosa is composed of one or more layers of epithelial cells that secrete mucus, and an underlying lamina propria of loose connective tissue. [1] The type of cells and type of mucus secreted vary from organ to organ and each can differ along a given tract. [2] [3]

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