The
pyloric glands are found in the pyloric portion of the
stomachIn most mammals, the stomach is a hollow, muscular organ of the gastrointestinal tract , between the esophagus and the small intestine. It is involved in the second phase of digestion, following mastication . The word stomach is derived from the Latin stomachus, which derives from the Greek word...
.
Discussion
Ask a question about 'Pyloric glands' Start a new discussion about 'Pyloric glands' Answer questions from other users |
The
pyloric glands are found in the pyloric portion of the
stomachIn most mammals, the stomach is a hollow, muscular organ of the gastrointestinal tract , between the esophagus and the small intestine. It is involved in the second phase of digestion, following mastication . The word stomach is derived from the Latin stomachus, which derives from the Greek word...
.
They consist of two or three short closed tubes opening into a common duct or mouth.
These tubes are wavy, and are about one-half the length of the duct.
The duct is lined by columnar cells, continuous with the epithelium lining the surface of the
mucous membraneThe mucous membranes are linings of mostly endodermal origin, covered in epithelium, which are involved in absorption and secretion. They line various body cavities that are exposed to the external environment and internal organs. It is at several places continuous with skin: at the nostrils, the...
of the stomach, the tubes by shorter and more cubical cell which are finely granular.
The glands contain mucus cells and G cells that secrete
gastrinIn humans, gastrin is a hormone that stimulates secretion of gastric acid by the parietal cells of the stomach and aids in gastric motility. It is released by G cells in the stomach, duodenum, and the pancreas. Its release is stimulated by gastric luminal peptides...
.
External links
- "Pyloric stomach" "Simple Branched Tubular " - see slide #12