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International Journal of Morphology

On-line version ISSN 0717-9502


SCHIMMING, Bruno Cesar  and  VICENTINI, Carlos Alberto. Zinc Iodide-Osmium Tetroxide (ZIO) Reactive Golgi Apparatus in the Principal Cells of Dog Epididymal Epithelium. Int. J. Morphol. [online]. 2005, vol.23, n.4, pp.337-344. ISSN 0717-9502.

The cisternae of the Golgi apparatus of dog epididymal principal cells were labeled by the zinc iodide-osmium tetroxide method (ZIO). These cisternae were observed in the supranuclear region of the cytoplasm of the epididymal principal cells. Abundant endoplasmic reticulum cisternae, multivesicular bodies, mitochondria, lysosomes and vesicular elements of variable size were also found in this region, all associated with the sacks of the well-developed Golgi apparatus. The use of the ZIO method facilitates the observation and identification of the cisternae of the Golgi apparatus, thus permitting a correlation between structure and function in the so-called Golgi area. These ultrastructural characteristics support the secretory role of epididymal principal cells in the dog

Keywords : Epididymis; Principal cells; Golgi apparatus; ZIO method.

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