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日本鳗鲡肌间小骨的骨化过程
引用本文:姚文杰,龚小玲,吕耀平,鲍宝龙.日本鳗鲡肌间小骨的骨化过程[J].上海海洋大学学报,2014,23(6):810-813.
作者姓名:姚文杰  龚小玲  吕耀平  鲍宝龙
作者单位:上海海洋大学 省部共建水产种质资源发掘与利用教育部重点实验室,上海海洋大学 省部共建水产种质资源发掘与利用教育部重点实验室,浙江省丽水学院 生态学院,上海海洋大学 省部共建水产种质资源发掘与利用教育部重点实验室
基金项目:浙江省自然科学(Y3110477),国家自然科学基金(31201995)
摘    要:利用形态解剖和整体骨骼染色的方法,对日本鳗鲡(Anguilla japonica)成鱼肌间小骨的形态、分布,以及早期发育阶段肌间小骨的形态发生和骨化过程进行观察。结果表明:在玻璃鳗阶段,日本鳗鲡的主轴骨骼和附肢骨骼均已骨化完全,但肌间小骨并未出现。在鳗线阶段,体长5.2 cm以上的日本鳗鲡椎体小骨、髓弓小骨和脉弓小骨均已出现。其肌间小骨的骨化顺序不同于其他鲤科鱼类从尾部向前依次骨化,而是从头部向尾部依次骨化。这提示鱼类肌间小骨的骨化可能与其不同的游泳方式有关,为今后研究肌间小骨发生的分子机制提供了形态学基础。

关 键 词:日本鳗鲡  肌间小骨  骨化顺序
收稿时间:2014/3/11 0:00:00
修稿时间:2014/4/20 0:00:00

The ossificational process of the intermuscular bones in Anguilla japonica
YAO Wen-jie,GONG Xiao-ling,L&#; Yao-ping and BAO Bao-long.The ossificational process of the intermuscular bones in Anguilla japonica[J].Journal of Shanghai Ocean University,2014,23(6):810-813.
Authors:YAO Wen-jie  GONG Xiao-ling  L&#; Yao-ping and BAO Bao-long
Institution:Key Laboratory of Aquatic Genetic Resources and Aquacuhural Ecology,Certificated by the Ministry of Agriculture,Shanghai Ocean University,Key Laboratory of Aquatic Genetic Resources and Aquacuhural Ecology,Certificated by the Ministry of Agriculture,Shanghai Ocean University,College of Chemistry and Life Sciences,Lishui University,Key Laboratory of Aquatic Genetic Resources and Aquacuhural Ecology,Certificated by the Ministry of Agriculture,Shanghai Ocean University
Abstract:To further understand the development process of intermuscular bones in teleosts, a modified bone clearing and staining experiment was conducted to investigate morphological development of intermuscular bone in Japanese eel Anguilla japonica. It is showed that all the axial skeleton and appendicular skeleton both have completely ossified in the glass eel stage. However, the intermuscular bone doesn not ossify. During the elvers period, the ossification of epineurals, epicentrals and epipleurals is observed in the anterior part of the body. Each of the intermuscular bones is ossified posteriorly, which is very different to that in other species in Cyprinidar. The results indicate that the forming process of intermuscular bones might have relation with the swimming modes. This study provides some very important information about the morphological development of intermuscular bone in Japanese eel, which will be helpful for us to further understand the molecular mechanism underlying intermuscular bone development.
Keywords:Anguilla japonica  intermuscular bones  ossification process
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