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Quarterly Journal of Microscopical Science, Vol s3-95, 5-9, Copyright © 1954 by Company of Biologists

Note on the Histochemical Localization of Glycogen and Pentosepolynucleotides in the Visual Cells of the Chick (Gallus Gallus)

M. RABINOVITCH 1, IVAN MOTA 1, and S. YONEDA 1

1 Laboratory of Cell Physiology, Department of Histology and Embryology, Faculty of Medicine, University of São Paulo, São Paulo, Brazil

1. Glycogen was studied in retinas of the chick (Gallus gallus), fixed in Gendre's fluid and stained by the periodic acid/Schiff method. In agreement with some of the earlier data on the subject, obtained with less suitable methods, glycogen was found in the paraboloid of accessory cones and in the characteristically shaped paraboloid of the rods.

2. Basiphilia, observable by means of the gallocyanin-chromalum stain and removable by ribonuclease or perchloric acid, was found in the inner segment of both chief and accessory cones, with the exception of the ellipsoid region.






© The Company of Biologists Ltd 1954