Morphological Basis of Gastrointestinal Motility: Ultrastructure and Histochemistry of Endocrine—Paracrine Cells in the Gut

作者: E. Solcia , C. Capella , R. Buffa , L. Usellini , P. Tenti

DOI: 10.1007/978-3-642-68437-1_3

关键词: ChemistryCell biologyEpitheliumGolgi apparatusIntestinal mucosaParacrine signallingCellular differentiationEnteroendocrine cellUltrastructureGastric glands

摘要: Endocrine-paracrine cells are specialized scattered in the epithelium lining gastric glands, intestinal crypts, and villi. They characterized by secretory granules, which, as a rule, concentrated basal part of cytoplasm, while Golgi complex is supranuclear. In pyloric mucosa, most such reach lumen narrow, area showing tufts microvilli centriole; this probably acts receptor surface facing luminal contents (Solcia et al. 1967). Such pattern suggests some functional polarity cell (Figs. 1, 2). fundic mucosa endocrine-paracrine lack contacts show less evident 1975).

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