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Int. j. morphol ; 36(3): 962-968, Sept. 2018. graf
Artigo em Inglês | LILACS | ID: biblio-954215

RESUMO

This study was aimed at comparing the commonly used metachromatic stains viz., Papanicolaou stain, WrightGiemsa, Toluidine blue and Methylene blue in the assessment of cell types of the oestrous cycle in rats. Eight female Sprague-Dawley rats aged 8-9 weeks were used for this assessment. Cotton Swabs were gently inserted in the animals vagina to obtain cells from which they were then transferred to glass slides for staining and evaluation under microscopy. The different cell types were compared for their morphological features and clarity of cellular detail under all four stains. The application, advantages and limitations of all stains were then discussed. It was concluded that the selection of the most effective stain in the assessment of vaginal cytology depends on their application to clinical or research which was based on the cellular detail of interest, time, cost and availability of each staining procedure.


El presente estudio tuvo como objetivo comparar las tinciones metacromáticas comúnmente utilizadas, Wright's-Giemsa, azul de toluidina, azul de metileno y tinción de Papanicolaou, en la evaluación de los tipos de células del ciclo estral en ratas. El estudio se realizó en ocho ratas hembras SpragueDawley, con edades entre 8 y 9 semanas, y se usaron hisopos vaginales de algodón para preparar portaobjetos. Los diferentes tipos de células se compararon por sus características morfológicas y claridad en las cuatro tinciones. La aplicación, ventajas y limitaciones de todas las tinciones fueron discutidas. Se concluye que la selección de la tinción más efectiva en la evaluación de la citología vaginal depende de su uso, es decir, clínico o de investigación, el detalle celular de interés, tiempo, costo y disponibilidad.


Assuntos
Animais , Feminino , Ratos , Coloração e Rotulagem/métodos , Vagina/citologia , Técnicas Citológicas/métodos , Ciclo Estral , Corantes Azur , Cloreto de Tolônio , Corantes , Teste de Papanicolaou , Azul de Metileno
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