title: [Microscopic organization of epithelial endocrine cells of the gastrointestinal tract mucosa in lower vertebrates. II. Epithelial endocrine cells of the duodenum of the common frog].
abstract: The endocrine epithelium cells of the frog duodenum mucosa were studied using light and electron microscopy. In the intestinal epithelium endocrine cells are distributed among enterocytes all over the surface of mucosa. The greatest quantity of them is observed in the intestinal part in the proximity of the stomach. Six types of endocrine cells are identified on the basis of their granular structure and size. Some differentiation in submicroscopic organization of endocrine cells depending on their functional condition is defined.
mesh_terms: D000818:Animals; D002452:Cell Count; D004386:Duodenum / Q000166:cytology*; D004847:Epithelial Cells; D007413:Intestinal Mucosa / Q000166:cytology* / Q000378:metabolism; D008854:Microscopy, Electron; D011896:Rana temporaria
vernacular_title: Mikroskopicheskaia organizatsiia éndokrinnykh kletok épiteliia slizistoĭ obolochki zheludochno-kishechnogo trakta nizshikh pozvonochnykh. II. Endokrinnye kletki épiteliia dvenadtsatiperstnoĭ kishki travianoĭ liagushki.