Summary
By tilting experiments in the electron microscope evidence was found for crystalline islet A2-granules of Xiphophorus helleri H. to be rhombic dodecahedral and thus to belong to the cubic system.
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We are grateful to Professor R. Mosebach, Gießen for his advice.
Sponsored by the Deutsche Forschungsgemeinschaft (La 229/4).
Fellow of Deutscher Akademischer Austauschdienst.
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Lange, R.H., Klein, C. Rhombic dodecahedral secretory granules in glucagon producing islet cells. Cell Tissue Res. 148, 561–563 (1974). https://doi.org/10.1007/BF00221939
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DOI: https://doi.org/10.1007/BF00221939