2016
DOI: 10.1590/s0100-736x2016000900016
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Descrição morfológica dos ovários do peixe Melanotaenia boesemani em atividade reprodutiva

Abstract: Resumo: Estudou-se o tecido germinativo ovariano do peixe Melanotaenia boesemani. Por meio de análises morfológicas das gônadas, realizadas após a confecção de lâminas histológicas elaboradas em parafina e coradas com hematoxilina-eosina, foram descritos os tipos celulares encontrados e realizada a classificação do estádio de maturidade dos peixes. Macroscopicamente, foi identificado que a referida espécie possui ovário único, arredondado e, na fase observada, amarelado, localizado na parte látero-anterior da … Show more

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Cited by 2 publications
(1 citation statement)
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“…Empty/recovery follicles are formed when the mature oocyte is expelled from the lamella into the ovarian lumen, leaving part of its envelope in the lamella, that is, the granulosa layer formed by follicular cells and the theca. Initially, this structure is well evident, but gradually it is absorbed by the follicular cells themselves and by phagocytes, resulting in a compact residual mass at the end of this process (Radael et al, 2016). In most teleosts, the recognition and characterization of germ cells; their distribution and frequency in the ovaries of adult individuals; and their differentiation, ovarian development, maturation, and release result in changes in the gonads, characterize different reproductive phases, and allow estimating the type of spawning of the species (Quagio-Grassiotto et al, 2013).…”
Section: Discussionmentioning
confidence: 99%
“…Empty/recovery follicles are formed when the mature oocyte is expelled from the lamella into the ovarian lumen, leaving part of its envelope in the lamella, that is, the granulosa layer formed by follicular cells and the theca. Initially, this structure is well evident, but gradually it is absorbed by the follicular cells themselves and by phagocytes, resulting in a compact residual mass at the end of this process (Radael et al, 2016). In most teleosts, the recognition and characterization of germ cells; their distribution and frequency in the ovaries of adult individuals; and their differentiation, ovarian development, maturation, and release result in changes in the gonads, characterize different reproductive phases, and allow estimating the type of spawning of the species (Quagio-Grassiotto et al, 2013).…”
Section: Discussionmentioning
confidence: 99%