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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.
Several types of endocrine cells are found in the gastric glands. The pyloric glands contain gastrin-producing cells ; this hormone stimulates acid production from the parietal cells. Enterochromaffin-like cells (ECLs), found in the oxyntic glands release histamine, which also is a powerful stimulant of the acid secretion.
Other mucus-secreting cells are the mucous neck cells in the necks of the gastric glands. [2]: 257 Surface mucous cells have large quantities of mucin granules in their apical (top) surface and project short microvilli into the lumen of the stomach. [2]: 257 Mucins are large glycoproteins that give the mucus its gel-like properties. [3]
The glands are named for the region of the stomach that they occupy. The cardiac glands are found in the cardia of the stomach which is the part nearest to the heart, enclosing the opening where the esophagus joins to the stomach. Cardiac glands primarily secrete mucus. [7]
The main glands are all exocrine glands, secreting via ducts. All of these glands terminate in the mouth. The largest of these are the parotid glands—their secretion is mainly serous. The next pair are underneath the jaw, the submandibular glands, these produce both serous fluid and mucus.
Controlled cough is a mucus-clearing technique that involves coughing in a controlled manner. This technique can help dislodge mucus without irritating your airways. Here’s how to try the ...
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: Intestinal glands of ...
Alkaline mucus exists in the human eye, stomach, saliva, and cervix. [5] In the stomach, alkaline mucus is secreted by gastric glands in the gastric mucosa of the stomach wall. [6] Secretion of alkaline mucus is necessary to protect the mucous membrane of the stomach from acids released during digestion. [6]