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Minimizing the damage: a methodological proposal to remove the brains of anurans and squamates

Bezerra, Andressa M; Citeli, Nathalie; Galvão, Ana; Carvalho-e-Silva, Sergio P. de.
Iheringia, Sér. zool; 112: e2022013, 2022. ilus
Artigo em Inglês | VETINDEX | ID: biblio-1380358


The brain is one of the most important organs of vertebrates. Over the years, several studies have investigated brain features under different approaches, such as comparative morphology. Although many recent studies use non-invasive methods, such as micro-CT scan, some methods require access to the brain, such as histological analyses and cell count methods. In addition, several researchers do not have access to those expensive devices and rely on the traditional dissection to conduct their studies. Still, for most vertebrates, very few protocols are available for removing the brain, especially those committed to minimizing the damage to the specimen for further examinations. Here we describe in detail a method to dissect the brains of anurans and squamates maintaining the specimen's external morphology as undamaged as possible. This simple method can be performed using few tools and can be achieved in the first trials, representing an incentive for more research on vertebrate's brains. This method contributes to the maximum utilization of each animal collected, a positive practice from both ethical and practical perspectives.(AU)
Biblioteca responsável: BR68.1