Gastric glands
Glands in lining of the human stomach / From Wikipedia, the free encyclopedia
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The gastric glands are glands in the lining of the stomach that play an essential role in the process of digestion. The gastric glands are located in gastric pits (foveolae) in the mucosa. The gastric mucosa is covered in surface mucous cells (foveolar cells) that produce the mucus necessary to protect the stomach epithelial lining from gastric acid secreted by the glands. Surface mucous cells follow the indentations and partly line the gastric pits.[1] Other mucus secreting cells are found in the necks of the glands. These are mucous neck cells that produce a different kind of mucus.
Gastric glands | |
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Details | |
Identifiers | |
Latin | glandulae gastricae |
Anatomical terminology |
There are two types of gastric gland, the oxyntic gland, and the pyloric gland. The major type of gastric gland is the oxyntic gland that is present in 80 per cent of the stomach, and is often referred to simply as the gastric gland. The oxyntic gland is an exocrine gland and contains the parietal cells that produce hydrochloric acid, and intrinsic factor. Intrinsic factor is necessary for the absorption of vitamin B12.[1]
The other type of gland in the stomach is the pyloric gland found in the pyloric region taking up the remaining 20 per cent of the stomach area. The pyloric gland secretes gastrin from its G cells. Pyloric glands are similar in structure to the oxyntic glands but are endocrine glands with hardly any parietal cells.[1]