| Distribution and ultrastructure of pigment cells in the skins of normal and albino adult turbot, Scophthalmus Maximus |
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| 作者姓名： | 郭华荣 黄冰 亓飞 张士璀 |
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| 作者单位： | Ocean University of China，Ocean University of China，Ocean University of China，Ocean University of China Qingdao 266003 China，Qingdao 266003 China，Qingdao 266003 China，Qingdao 266003 China |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | The distribution and ultrastructure of pigment cells in skins of normal and albino adult turbots were examined with transmission electron microscopy (TEM). Three types of pigment cells of melanophore, iridophore and xanthophore have been recognized in adult turbot skins. The skin color depends mainly on the amount and distribution of melanophore and iridophore, as xanthophore is quite rare. No pigment cells can be found in the epidermis of the skins. In the pigmented ocular skin of the turbot, melanophore and iridophore are usually co-localized in the dermis. This is quite different from the distribution in larvae skin. In albino and white blind skins of adult turbots, however, only iridophore monolayer still exists, while the melanophore monolayer disappears. This cytological evidence explains why the albino adult turbot, unlike its larvae, could never resume its body color no matter what environmental and nutritional conditions were provided. Endocytosis is quite active in the cellular membrane of the iridophore. This might be related to the formation of reflective platelet and stability of the iridophore.
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| 关 键 词： | 大比目鱼 大菱鲆 正常成年鱼 白化病鱼 皮肤色素细胞 |
| 收稿时间： | 2006-03-06 |
| 修稿时间： | 2006-10-16 |
Distribution and ultrastructure of pigment cells in the skins of normal and albino adult turbot, <Emphasis Type="Italic">Scophthalmus maximus</Emphasis> |
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| Guo?Huarong,Huang?Bing,Qi?Fei,Zhang?Shicui.Distribution and ultrastructure of pigment cells in the skins of normal and albino adult turbot, Scophthalmus Maximus[J].Chinese Journal of Oceanology and Limnology,2007,25(2):199-208. |
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| Authors: | Guo Huarong Huang Bing Qi Fei Zhang Shicui |
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| Institution: | (1) Ocean University of China, Qingdao, 266003, China |
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| Abstract: | The distribution and ultrastructure of pigment cells in skins of normal and albino adult turbots were examined with transmission electron microscopy (TEM). Three types of pigment cells of melanophore, iridophore and xanthophore have been recognized in adult turbot skins. The skin color depends mainly on the amount and distribution of melanophore and iridophore, as xanthophore is quite rare. No pigment cells can be found in the epidermis of the skins. In the pigmented ocular skin of the turbot, melanophore and iridophore are usually co-localized in the dermis. This is quite different from the distribution in larvae skin. In albino and white blind skins of adult turbots, however, only iridophore monolayer still exists, while the melanophore monolayer disappears. This cytological evidence explains why the albino adult turbot, unlike its larvae, could never resume its body color no matter what environmental and nutritional conditions were provided. Endocytosis is quite active in the cellular membrane of the iridophore. This might be related to the formation of reflective platelet and stability of the iridophore. |
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| Keywords: | turbot skin pigment cell melanocyte ifidophore xanthophore |
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