Summary
The individual granules of enterochromaffin cells of normal and reserpine treated guinea pigs have been studied by staining slides of the duodenum first by an argentaffin method and subsequently by an argyrophile method. Some argentaffin cells can be shown to contain not only argentaffin granules, but also granules that are purely argyrophile. The relative number of such argentaffin cells is greatly increased following administration of reserpine, as depletion of their 5-hydroxytryptamine content converts argentaffin granules into purely argyrophile ones. On the basis of this finding it is confirmed that the argyrophile granule is merely an argentaffin granule depleted of its 5-HT content, and that the argyrophile (nonargentaffin) and the argentaffin cells represent different phases of a secretory cycle.
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This investigation was supported by a grant from the Indian Council of Medical Research. I am grateful to Ms. Ciba of India Ltd. for making available reserpine (Serpasil) and solvent for reserpine. It is a pleasure to thank Mr. Anand Parkash for technical assistance and Mr. M. L. Sharma for the photographs.
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Singh, I. Argyrophile and argentaffin reactions in individual granules of enterochromaffin cells of reserpine treated guinea pigs. Z.Zellforsch 81, 501–510 (1967). https://doi.org/10.1007/BF00541011
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DOI: https://doi.org/10.1007/BF00541011