2011
DOI: 10.4067/s0717-95022011000300018
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Estudio Histológico del Tracto Digestivo del Neón Cardenal Paracheirodon axelrodi (Characidae)

Abstract: RESUMEN:Paracheirodon axelrodi es el pez ornamental que más se exporta en Colombia. Sin embargo, se desconocen varios aspectos de su biología básica. Se estudió la histología del tracto digestivo. Se sacrificaron 15 ejemplares (MS 222, 0,5 g/L), fijados en formaldehído al 4 % y decalcificados con ácido nítrico 7 %. Se siguió el procedimiento para H&E. El tracto digestivo de P. axelrodi presentó cuatro capas constitutivas: mucosa, submucosa, muscular y serosa. La mucosa de la boca presentó un epitelio escamoso … Show more

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Cited by 15 publications
(35 citation statements)
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“…Therefore, several studies have focused on understanding its basic biology, as an imperative step to find sustainable exploitation strategies (Burton et al, 1998;Walker, 2004;Anjos, Anjos, 2006;Oliveira et al, 2008;Tovar et al, 2009;Brito, Bazzoli, 2009;Gómez-Ramírez et al, 2011;ObandoBulla et al, 2013). In spite of these efforts, very little is known about the neuroendocrinology of reproduction in cardinal tetra, particularly regarding the neuroanatomical organization of the preoptic-hypothalamus-hypophysis complex.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, several studies have focused on understanding its basic biology, as an imperative step to find sustainable exploitation strategies (Burton et al, 1998;Walker, 2004;Anjos, Anjos, 2006;Oliveira et al, 2008;Tovar et al, 2009;Brito, Bazzoli, 2009;Gómez-Ramírez et al, 2011;ObandoBulla et al, 2013). In spite of these efforts, very little is known about the neuroendocrinology of reproduction in cardinal tetra, particularly regarding the neuroanatomical organization of the preoptic-hypothalamus-hypophysis complex.…”
Section: Introductionmentioning
confidence: 99%
“…Tissues were stained with haematoxylin and eosin using the technique by Mayer and Harris, and slices were preserved in Canada balsam (Lucano-Ramírez et al 2001). Microscopic descriptions were done following Gómez-Ramírez et al (2010).…”
mentioning
confidence: 99%
“…Esto ha sido reportado por Kobelkowsky y Castillo-Rivera (1995) para C. melanopus, A. felis y B. marinus, las cuales consumen peces y crustáceos, al igual que A. guatemalensis en el presente estudio. Las branquiespinas en A. guatemalensis, al igual que en Ariopsis seemanni (Gómez-Ramírez et al 2010), no cumplen funciones alimentarias debido al bajo número de A. felis, and B. marinus, which feed on fishes and crustaceans, just as A. guatemalensis did in the present study. Gill rakers in A. guatemalensis, as in Ariopsis seemanni (Gómez-Ramírez et al 2010), do not carry out any digestive function because of the low number of gill rakers and the spacing between them (low filtration capacity).…”
unclassified
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