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  • Title: [Cytodifferentiation of the epithelium of the gastric mucosa glands of rats in ontogenesis].
    Author: Odintsova IA.
    Journal: Arkh Anat Gistol Embriol; 1988 Apr; 94(4):48-56. PubMed ID: 3408355.
    Abstract:
    Structure of epithelium in the mucous membrane glands of the rat stomach has been studied electron microscopically during embryonal and postnatal periods of development. Time of initial appearance of various types of cells in early stages of the gastric epithelium histogenesis has been verified. Asynchronity of their appearance is demonstrated. In epithelium of the gastric glands in 20-day-old rat embryos poorly differentiated exocrine and also endocrine D- and G-cells are revealed. On the 1st day EC-, ECl-, and on the 3d day--X-endocrinocytes appear. Neighbouring exocrinocytes connect with each other by means of both nonspecific and specific intercellular contacts. Exocrine and endocrine cells connect by means of desmosomes. For the animals of each age group certain range of ultrastructural organization in variously differentiated glandulocytes (they are morphological basis of the reactive changes) is specific.
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