| 太平洋牡蛎配子和精子人卵的扫描电镜观察及胚胎发育的初步研究 |
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| 引用本文： | 田传远,梁英,王如才,任素莲,于瑞海,赵厚均. 太平洋牡蛎配子和精子人卵的扫描电镜观察及胚胎发育的初步研究[J]. 海洋科学进展, 2000, 18(2): 51-55 |
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| 作者姓名： | 田传远 梁英 王如才 任素莲 于瑞海 赵厚均 |
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| 作者单位： | 1. 青岛海洋大学水产学院,青岛,266003
2. 山东省渔业技术推广站,济南,250013 |
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| 基金项目： | 国家科技攻关项目,国家攀登计划,863-819-01-01,PD-B6-3,, |
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| 摘 要： | 通过扫描电镜观察,太平洋牡蛎精子由头部、中段和尾段组成.精子全长约21.6μm,尾段长约18.2μm,末端观察到"针眼"样结构;头部最大处的直径约2.6μm;中段直径约1.1μm;未成熟精子尾段中部出现膨大,该处直径约0.3μm.卵呈梨形;卵的直径约为41.9μm.卵表面有微绒毛组成的皱折结构,可见卵黄膜孔.卵质收回时,在卵表面卵柄处可见明显的树枝状结构.受精后,受精卵表面的卵黄膜剥离处可见较多数量的皮质小泡.在水温21.2～23.5℃,精卵混合34min时,释时出第1极体;1h22min时,放出第2极体;21h55min时,胚胎发育至初期D形幼虫.
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| 关 键 词： | 太平洋牡蛎 精子 卵 精子入卵 胚胎发育 扫描电镜 |
| 文章编号： | 1000-7199(2000)02-0051-05 |
| 修稿时间： | 1999-07-21 |
Observation on the Gametes and Sperm Penetration with Seanning Electron Microscope and a Preliminary Study of the Embryonic Development in Pacific Oyster (Crassostrea gigas) |
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| TIAN Chuanyuan,LIANG Ying,WANG Rucai,REN Sulian,YU Reihai,Zhao Houjun. Observation on the Gametes and Sperm Penetration with Seanning Electron Microscope and a Preliminary Study of the Embryonic Development in Pacific Oyster (Crassostrea gigas)[J]. Advances in Marine Science, 2000, 18(2): 51-55 |
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| Authors: | TIAN Chuanyuan LIANG Ying WANG Rucai REN Sulian YU Reihai Zhao Houjun |
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| Affiliation: | TIAN Chuanyuan,LIANG Ying,WANG Rucai,REN Sulian,YU Reihai(College of Fisheries, Ocean University of Qiagdao, Qingdao 266003, China)Zhao Houjun(Fisheries Technical Advice, Station of Shandoag Province, Jinan 250018, China) |
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| Abstract: | |
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| Keywords: | Crassostrea gigas sperm egg sperm penetration embryonic development scanning electron microscope |
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