Endocrine Cells of the Dog Gastrointestinal Mucosa

Endocrine cells in the gastrointestinal tract of the dog have been studied by electron microscopy.Seven types of endocrine cells were found in the gastric mucosa: the gastrinproducing G cells, serotonin-producing enterochromaffin cells, enterochromaffinlike cells, A-like cells, D cells, D, cells, and X cells.The enterochromaffin cells may be subdivided into two cell types according to the shape an…