日本七鳃鳗是现存最原始而特化的脊椎动物之一。
Japanese Lamprey is one of the most primitive extant vertebrate.
本文对日本七鳃鳗脊髓和肾脏的超微结构进行了较详细地观察。
In this paper, observation on ultrastructure of Spinal cord and kidneys in Lampre Japonica are detailed here.
日本七鳃鳗可以迁移到黄海及江苏省淡水中。
Lampetra japonica could migrate to the Yellow Sea region and freshwater in Jiangsu Province.
本文对五条日本七鳃鳗腮囊的形态结构进行了比较详细的观察。
The forms and structures of gill pouch in five Lampetra japonicas were observed in detail.
我国是世界上最大的产鳗国，主要出口日本。
Our country is the biggest country in the world producing eel and mainly exporting to Japan.
证实了用僵鳗促长饲料养殖日本僵鳗及欧鳗具有提高成活率、饲料效率、降低饲料成本的作用。
These results indicate that growth promoting eel feed has effects on increasing survival, feed efficiency, and decreasing feed cost.
其结果表明：日本七鳃鳗的腮囊有七对，囊壁向内折叠形成腮叶及次级腮叶。
The results indicate that there are seven pairs of gill pouches in Lampetra japonica (Martens). The wall of gill pouch folding inward forms gill-lobes and secondary gill lobe.
其结果表明：日本七鳃鳗的腮囊有七对，囊壁向内折叠形成腮叶及次级腮叶。
The results indicate that there are seven pairs of gill pouches in Lampetra japonica (Martens). The wall of gill pouch folding inward forms gill-lobes and secondary gill lobe.
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