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Histology, histochemistry and stereology of the adipose fin of Prochilodus lineatus

✍ Scribed by Rebeca Mamede da Silva Alves; Bruno Fiorelini Pereira; Dimítrius Leonardo Pitol; José Algusto Senhorini; Rita de Cássia Gimenes de Alcântara Rocha; Flavio Henrique Caetano

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
385 KB
Volume
75
Category
Article
ISSN
1059-910X

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✦ Synopsis

Abstract

The adipose fin is small, nonpared, and usually located medially between the dorsal and caudal fin. Its taxonomic occurrence is very restrict; thus, it represents an important trace for taxon distinction. As it does not play a known vital physiological roll and it is easily removed, it is commonly used in marking and recapture studies. The present study characterizes the adipose fin of Prochilodus lineatus, as it is poorly explored by the literature. The adipose fin consists basically of a loose connective core, covered by a stratified epithelium supported by collagen fibers. At the epithelium, pigmented cells and alarm substance cells are found. Despite the name, adipocytes or lipid droplets are not observed on the structure of the fin. Microsc. Res. Tech., 2012. © 2011 Wiley Periodicals, Inc.

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