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莫氏丽脂鲤适应海水后泌尿器官的超微结构变化。

Ultrastructural changes in the urophysis of Mollienesia sphenops following adaptation to seawater.

作者信息

Kriebel R M

出版信息

Cell Tissue Res. 1980;207(1):135-42. doi: 10.1007/BF00239335.

Abstract

The urophysis or neurohemal contact site of the caudal neurosecretory system of Mollienesia sphenops, the black molly, was studied in animals adapted to an artificial seawater environment. This species of fish was chosen for these studies because of its known ability to osmoregulate and its adaptability to the laboratory aquarium. The urophysis of freshwater acclimated mollys contained an abundance of neurosecretory granules. However, in fish subjected to a seawater environment for one week the number of neurosecretory granules was significantly decreased. In addition, there was an increase in blood cell infiltration of the urophysis.

摘要

对适应人工海水环境的黑摩利(Mollienesia sphenops)尾神经分泌系统的泌尿垂体或神经血接触部位进行了研究。选择这种鱼类进行这些研究是因为其已知的渗透调节能力及其对实验室水族箱的适应性。适应淡水环境的摩利鱼的泌尿垂体含有大量神经分泌颗粒。然而,在置于海水环境一周的鱼类中,神经分泌颗粒的数量显著减少。此外,泌尿垂体的血细胞浸润有所增加。

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