| 仿刺参生殖腺发生与早期分化的组织学观察 |
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| 引用本文： | 晏萌,隋娟,邵明瑜,胡景杰,张志峰.仿刺参生殖腺发生与早期分化的组织学观察[J].中国海洋大学学报(自然科学版),2011,41(5):49-52. |
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| 作者姓名： | 晏萌 隋娟 邵明瑜 胡景杰 张志峰 |
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| 作者单位： | 1. 中国海洋大学海洋生物遗传育种教育部重点实验室,山东青岛,266003
2. 中国科学院海洋研究所,山东青岛,266003 |
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| 基金项目： | 国家自然科学基金面上项目，国家高技术研究发展计划项目，留学回国人员科研启动资金资助 |
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| 摘 要： | 采用组织学方法,初步研究了仿刺参(Apostichopus japonicus Selenka)生殖腺的发生及早期分化的过程。结果表明,仿刺参的生殖腺位于背肠系膜处,在体长为0.1 cm的稚参中出现含有约10个原生殖细胞的原始生殖腺;体长0.5cm的稚参,原始生殖腺的中央腔明显,生殖腺初具雏形;体长3 cm的幼参中,生殖腺出现二分枝并且生殖腺上皮出现分层结构,内层为排列较松散的生殖细胞,外层为排列紧密的个体较小的上皮样细胞,此时仿刺参生殖腺的基本结构已经具备;幼参体长4 cm时,生殖腺的部分管壁内层细胞向内发生褶皱,形成以生殖细胞为主的嵴状突起,随着发育的进行,生殖腺管腔内侧的嵴状突起更加密集。
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| 关 键 词： | 仿刺参 生殖腺 组织学 发生 早期分化 |
Histological Observation on Genesis and Early Differentiation of Gonad in Apostichopus japonicas |
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| YAN Meng,SUI Juan,SHAO Ming-Yu,HU Jing-Jie,ZHANG Zhi-Feng.Histological Observation on Genesis and Early Differentiation of Gonad in Apostichopus japonicas[J].Periodical of Ocean University of China,2011,41(5):49-52. |
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| Authors: | YAN Meng SUI Juan SHAO Ming-Yu HU Jing-Jie ZHANG Zhi-Feng |
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| Institution: | YAN Meng1,SUI Juan2,SHAO Ming-Yu1,HU Jing-Jie,ZHANG Zhi-Feng1(1.Key Laboratory of Marine Genetics and Breeding,Ministry of Education,Ocean University of China,Qingdao 266003,China,2.Institute of Oceanology,Chinese Academy of Sciences,China) |
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| Abstract: | The genesis and early differentiation of gonad in Apostichopus japonicas was studied using histological method.The results showed that the gonad was located at the anterior region of the dorsal mesentery.For those body length at 0.1 cm juvenile,the original gonad contained about 10 PGCs.The primary structure of gonad was formed as the cavity was obvious in the 0.5 cm juvenile.When the juvenile reached to the length of 3 cm,the gonad was similar to the adult in the structure,which had two branches and the wa... |
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| Keywords: | Apostichopus japonicas gonad genesis early differentiation |
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