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The gastrointestinal wall of the human stomach Layers of the gastrointestinal wall of which the stomach is a dilated part. Like the other parts of the gastrointestinal wall, the human stomach wall from inner to outer, consists of a mucosa, submucosa, muscular layer, subserosa and serosa. [16]
The human gastrointestinal tract consists of the esophagus, stomach, and intestines, and is divided into the upper and lower gastrointestinal tracts. [3] The GI tract includes all structures between the mouth and the anus , [ 4 ] forming a continuous passageway that includes the main organs of digestion, namely, the stomach , small intestine ...
Diagram of the alkaline mucous layer in the stomach with mucosal defense mechanisms. The gastric mucosa is the mucous membrane layer of the stomach, which contains the gastric pits, to which the gastric glands empty. In humans, it is about one mm thick, and its surface is smooth, soft, and velvety.
The stomach has an extra layer, an inner oblique muscular layer. [1] ... Cross-section histology of intestinal villi of the human terminal ileum. References
Mucus lines the entire stomach as gastric mucosa protecting the stomach lining from the effects of hydrochloric acid produced by the parietal cells and released from the oxyntic glands. Histology of mucosa showing gastric glands. H&E stain
Foveolar cells in the antrum of stomach. A skewed cross-section of the columns gives a false impression of being stratified epithelium. Foveolar cells line the surface of the stomach and the gastric pits. They constitute a simple columnar epithelium, as they form a single layer of cells and are taller than their width. Other mucus-secreting ...
Histology image: 11304loa – Histology Learning System at Boston University - "Digestive System: Alimentary Canal: fundic stomach, gastric glands, base" "chief cell" at Dorland's Medical Dictionary; Nosek, Thomas M. "Section 6/6ch4/s6ch4_8". Essentials of Human Physiology. Archived from the original on 2016-03-24.
It is the innermost layer of the stomach. [5] It is affected by the hormone histamine, which signals it to release hydrochloric acid (HCl). Sub-mucosal layer – This layer consists of different vessels and nerves, ganglion neurons, and adipose tissue. It is the second layer of the stomach and supports the mucosa. [6]