Distribution and ultrastructure of pigment cells in the skins of normal and albino adult turbot, Scophthalmus Maximus

GUO Huarong; HUANG Bing; QI Fei; ZHANG Shicui

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Distribution and ultrastructure of pigment cells in the skins of normal and albino adult turbot, Scophthalmus Maximus

机译：正常和白化成年大菱turbo（Scophthalmus Maximus）皮肤中色素细胞的分布和超微结构

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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.

机译：用透射电子显微镜（TEM）检查正常和白化成年大菱ts皮肤中色素细胞的分布和超微结构。在成年大菱turbo皮肤中已识别出三种类型的色素细胞，即黑色素，虹彩和黄体。皮肤的颜色主要取决于黑色素和虹彩的数量和分布，因为黄体素非常罕见。在皮肤表皮中未发现色素细胞。在大菱t的有色眼皮中，黑色素和虹彩通常位于真皮中。这与幼虫皮肤中的分布完全不同。然而，在成年大菱ts的白化病和白盲皮肤中，仅虹彩单层仍然存在，而黑色单层消失。这种细胞学证据解释了为什么白化成年大t不像幼虫那样，无论提供什么环境和营养条件，都无法恢复其体色。内吞作用在虹膜虹膜的细胞膜中非常活跃。这可能与反射性血小板的形成和虹膜虹膜的稳定性有关。

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来源
《中国海洋湖沼学报（英文版）》 |2007年第2期|199-208|共10页
作者
GUO Huarong; HUANG Bing; QI Fei; ZHANG Shicui;
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作者单位

Ocean University of China,Qingdao 266003,China;

Ocean University of China,Qingdao 266003,China;

Ocean University of China,Qingdao 266003,China;

Ocean University of China,Qingdao 266003,China;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类动物学;
关键词
turbot; skin; pigment cell; melanocyte; ifidophore; xanthophore;

机译：菱;皮肤;色素细胞;黑素细胞;鱼类;黄体;

Distribution and ultrastructure of pigment cells in the skins of normal and albino adult turbot, Scophthalmus Maximus

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