| 刀鲚仔稚鱼脊柱和附肢骨骼发育 |
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| 引用本文： | 陈渊戈,夏冬,钟俊生,赵盛龙,张宇.刀鲚仔稚鱼脊柱和附肢骨骼发育[J].上海水产大学学报,2011(2). |
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| 作者姓名： | 陈渊戈 夏冬 钟俊生 赵盛龙 张宇 |
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| 作者单位： | 上海海洋大学水产与生命学院;浙江海洋学院海洋科学学院; |
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| 基金项目： | 上海科学技术委员会重要攻关项目(0839190200); 上海市水生生物重点学科建设项目(S30701) |
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| 摘 要： | 使用硬骨-软骨双染色技术,描述了刀鲚(Coilia nasus)仔稚鱼(体长范围为7.0～33.9 mm)脊柱及附肢骨骼的形态发育特征。骨骼形成的顺序依次为肩带,背鳍支鳍骨、臀鳍支鳍骨,脉弓,髓弓,尾下骨,椎体,腹鳍支鳍骨、尾上骨,背鳍前支鳍骨,肋骨。胸鳍支鳍骨无后匙骨,左右乌喙软骨在腹面联合。侧尾下骨和第1尾下骨基部产生短暂的软骨质连接(20.1 mm SL)。第1、2尾上骨联合形成棒状尾上骨1+2。第1髓弓与脑颅之间区域具1游离髓弓。脊柱以体前中部位置为起点向前后发育。髓弓、脉弓的发育方式与鲱形目其他鱼类不同。脉弓首先以体中部为中心向前后发育;髓弓随后亦以从体中部向前后发育,12.4 mm SL个体开始同时从最前端向后发育。这一发育方式与鲱形目其他鱼类相比更接近高等鱼类。因此,刀鲚可能是进化过程中的过渡物种。
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| 关 键 词： | 刀鲚 脊柱 附肢骨胳 骨骼发育中 |
Development of the vertebral column and the appendicular skeleton in the larvae and juveniles of Coilia nasus |
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| CHEN Yuan-ge,XIA Dong,ZHONG Jun-sheng,ZHAO Sheng-long,ZHANG Yu.Development of the vertebral column and the appendicular skeleton in the larvae and juveniles of Coilia nasus[J].Journal of Shanghai Fisheries University,2011(2). |
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| Authors: | CHEN Yuan-ge XIA Dong ZHONG Jun-sheng ZHAO Sheng-long ZHANG Yu |
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| Institution: | CHEN Yuan-ge1,XIA Dong1,ZHONG Jun-sheng1,ZHAO Sheng-long2,ZHANG Yu1(1.College of Fisheries and Life Science,Shanghai Ocean University,Shanghai 201306,China,2.Marine Science College,Zhejiang Ocean University,Zhoushan 316004,China) |
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| Abstract: | The development of the vertebral column and the appendicular skeleton of C.nasus was described.A series of wild specimens 7.0-33.9mm were cleared and stained for both cartilage and bone.All the skeletons developed in following sequence: pectoral girdle,dorsal and anal fin supports,haemal arches,neural arches and hypurals,vertebra,pelvic fin supports,epurals,predorsal bones,pleural ribs.According to the observation,the postcleithra was absent in C.nasus.Coracoid-scapula cartilages were joined at ventral part... |
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| Keywords: | Coilia nasus vertebral column appendicular skeleton osteological development |
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