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Pesqui. vet. bras ; 27(12): 501-505, dez. 2007. ilus
Article in Portuguese | LILACS | ID: lil-473003

ABSTRACT

As características tridimensionais dos componentes intracelulares de células acinares e de ductos foram reveladas usando o método ósmio-DMSO-ósmio. As amostras foram maceradas em solução de tetróxido de ósmio diluído após a fratura na solução de dimetil sulfoxido. As lamelas do retículo endoplasmático granular são reveladas entremeadas por várias mitocôndrias. As lamelas do retículo endoplasmático granular são localizados ao redor dos núcleos na porção basal e estas estruturas são observadas em imagens tridimensionais de microscopia eletrônica de alta resolução.


The three-dimensional characteristics of the intracellular components of acinar and ductal cells were revealed using the osmium-DMSO-osmium method. The samples were macerated in diluted osmium after fractured in DMSO solution. The stacks of the rough endoplasmic reticulum are revealed intermingling by several mitochondria. The lamellae of the rough endoplasmic reticulum are located around the nuclei at basal portion and these structures are shown in three-dimensional HRSEM images.


Subject(s)
Animals , Dimethyl Sulfoxide/administration & dosage , Submandibular Gland/cytology , Submandibular Gland/ultrastructure , Submandibular Gland , Microscopy, Electron/methods , Rats , Osmium Tetroxide/administration & dosage
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