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首页> 外文期刊>Marine biology >Embryonic development and maternal-embryo relationships of the Portuguese dogfish Centroscymnus coelolepis
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Embryonic development and maternal-embryo relationships of the Portuguese dogfish Centroscymnus coelolepis

机译：葡萄牙dog鱼Centroscymnus coelolepis的胚胎发育和母胚关系

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摘要

The embryonic development and the level of dependency of the embryos from the maternal organism were investigated for Centroscymnus coelolepis. During the development, there is a 22-32% loss of organic matter and gains of 95-122% and 29-46% on moisture and inorganic matter, respectively. Only 28-48% of the initial yolk energy is conserved in embryos, being the remaining used in catabolism. In late pregnancy, the epithelium thickness of uterine villi decreases and vascularity increases. Results suggest that only water and minerals are transferred from the mother to the embryos. Monounsaturated fatty acids are the main type of fatty acids representing 48% of the total yolk fatty acid content, followed by polyunsaturated (30%) and saturated fatty acids (18-21%).
机译：研究了腔肠Centr虫的胚胎发育和来自母体的胚胎的依赖性水平。在开发过程中，有机物损失22-32％，水分和无机物分别损失95-122％和29-46％。最初的蛋黄能量中只有28-48％保留在胚胎中，其余的则用于分解代谢。在妊娠晚期，子宫绒毛的上皮厚度减少，血管增加。结果表明，只有水和矿物质从母体转移到胚胎。单不饱和脂肪酸是占主要蛋黄脂肪酸含量的48％的主要脂肪酸类型，其次是多不饱和脂肪酸（30％）和饱和脂肪酸（18-21％）。

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  • 来源
    《Marine biology》 |2011年第2期|p.401-412|共12页
  • 作者

    Teresa Moura; Carla Nunes; Narcisa Bandarra; Leonel Serrano Gordo; Ivone Figueiredo;

  • 作者单位

    Unidade de Recursos Marinhos e Sustentabilidade,IPIMAR, Av. Brasilia, 1449-006 Lisboa, Portugal,Departamento de Biologia Animal and Instituto de Oceanografia,Faculdade de Ciencias, Universidade de Lisboa, Bloco C8,Campo Grande, 1749-016 Lisboa, Portugal;

    Unidade de Recursos Marinhos e Sustentabilidade,IPIMAR, Av. Brasilia, 1449-006 Lisboa, Portugal;

    Unidade de Valorizacao dos Produtos da Pesca e da Aquicultura,IPIMAR, Av. Brasilia, 1449-006 Lisboa, Portugal;

    Departamento de Biologia Animal and Instituto de Oceanografia,Faculdade de Ciencias, Universidade de Lisboa, Bloco C8,Campo Grande, 1749-016 Lisboa, Portugal;

    Unidade de Recursos Marinhos e Sustentabilidade,IPIMAR, Av. Brasilia, 1449-006 Lisboa, Portugal;

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