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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
Address:College of Life Sciences, Sichuan University, No.29, Wangjiang Road, Chengdu, Sichuan Province, 610064, China
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Your Position :Home->Past Journals Catalog->2013 Vol.32 No.4

Light, Scanning and Transmission Electron Microscopical Observation of Gill of Captive Liza haematocheila on the Coast of Pearl River Estuary
Author of the article:OU Youjun1, CHEN Sihai1,2, LI Jiaer1, SU Hui1,2
Author's Workplace:(1. Key Laboratory for Exploitation & Utilization of Marine Fisheries Resource in South China Sea, Ministry of Agriculture, South China Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China; 2.College of Fisheries and Life, Shanghai Ocean University, Shanghai 201306, China)
Key Words:Liza haematocheila; gill filaments; light microscope; electron microscope; ultrastructure

The histological, surface and internal fine structures of gill of Liza haematocheila were investigated using light, scanning and transmission electron microscopy. The results showed that there were 4 pairs of holobranch in Liza haematocheila, and each gill filament was consisted by branchial arch, primary filament, secondary filament and gill raker. The surface structure and ultrastructure of gill filaments and secondary gill lamellae of L. haematocheila were similar to other teleosts. The surface of primary filament had various features such as regular or irregular circular microridges, indentations, micropits and crevices. The primary filaments were separated into respiratory area and non-respiratory area. The respiratory area of filaments was smooth with no microridge but folded on the epithelial cells membrane. Various features such as indentations, micropits and crevices were observed on non-respiratory area of filaments with regular fingerprint shape microridges on epithelial cells. The secondary filaments, which functioned as the main organ of respiratory, were consisted of basement membranes, epithelial cells, endothelial cells, pillar cells and capillary vessels. Chloride cells were mainly found in base part of secondary filament, and they often seemed to be open at the surface between adjacent epithelial cells. The relationship between the structure and function of fish gill in L. haematocheila was also discussed.

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