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KMID : 0381920090390040319
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Korean Journal of Microscopy
2009 Volume.39 No. 4 p.319 ~ p.324
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Morphology and Ultrastructure of Gill for Lateolabrax japonicus
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Kang Chung-Bae
Kim Jin-Koo
Kim Jae-Won
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Abstract
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Morphology of the gill in Lateolabrax japonicus was investigated after staining the gill, as a result, we found the gill is composed of gill raker, gill arch, gill filament and gill lamellae. The number of gill raker was 7~10 in the upper and 13~18 in the lower. Ultrastructure of the gill in Lateolabrax japonicus were examined by means of the light and transmission electron microscopes. The gill have primary filament and secondary filament (lamellae). The following cells are identified and described: pavement cell, pillar cell, blood cell, mucose cell and chloride cell etc. Simple epithelial layer consists of squamous epithelium contained large nucleus, intracellular organelles etc. and the surface is covered with some of microridges. The lamella pillar structures are characterized by the axial microtubules and lateral membrane interdigitations. The mucous cells were globular in shape, and had almost the mucous granules of same size with various electron density. Chloride cells contain a lot of mitochondria and specifically developed tubular systems.
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KEYWORD
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Gill, Morphology, Ultrastructure, Sea bass, Lateolabrax japonicus
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