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  • Title: [Ultrastructural characteristics of the "light" and "dark" B-cells in the pancreatic islets of rats].
    Author: Utekhin VI.
    Journal: Tsitologiia; 1979 Jan; 21(1):21-4. PubMed ID: 373196.
    Abstract:
    The ultrastructure of B-cells in the rat pancreatic islets has been studied under various experimental conditions (thyroidectomy, continuous thyroxine treatment, regeneration after partial pancreatectomy, thyroidectomy with partial pancreatectomy, partial pancreatectomy, partial pancreatectomy with continuous thyroxine treatment). Five types of B-cells have been distinguished. It has been supposed that "light" B-cell 1 is related to the stage of secretory granule extrusion, "light" B-cell 2 reflects the extrusion of secretory material and the early stages of secretory granule synthesis; "dark" B-cell 1 is involved in the intensive synthesis, formation and extrusion of secretory material, and "dark" B-cell 2 in the intensive secretory granule synthesis, formation and storage.
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