Efeito dos fixadores formalina e Bouin na preservação de biópsias do endométrio de éguas após inclusão em resina plástica

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Abstract

Endometrial biopsies were performed in 16 mares at estrus and diestrus and tissues were processed for light microscopy using formalin or Bouin fixatives and plastic resin glycol methacrylate for embedding. Results of the tissue processing demonstrated that the luminal and glandular epithelium, connective tissue fibers and many cell types present in the lamina propria such as fibroblasts, plasmocytes, mast cells and macrophages were best preserved in formalin fixed samples. The luminal epithelium showed increased shrinkage in Bouin fixed specimens when compared to formalin fixed ones. Those morphological findings were present throughout the estral cycle. The formalin fixation procedure associated with plastic resin embedding yielded increased tissue resolution as seen by light microscopy, and allowed a more accurate cytological study of the endometrium of the mare.

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Amaral, D., Chiarini-Garcia, H., Vale Filho, V. R., & Allen, W. R. (2004). Efeito dos fixadores formalina e Bouin na preservação de biópsias do endométrio de éguas após inclusão em resina plástica. Arquivo Brasileiro de Medicina Veterinaria e Zootecnia, 56(1), 7–12. https://doi.org/10.1590/s0102-09352004000100002

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