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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->2016 Vol.35 No.3

Histological Observation of Bufo tibetanus Skin
Author of the article:GAO Fengjuan, LI Pipeng, WANG Yichang, LU Yuyan*
Author's Workplace:Institute of Herpetology, Liaoning Key Laboratory of Evolution and Biodiversity, Shenyang Normal University, Shenyang 110034, China
Key Words:Bufo tibetanus; skin; microstructure
Abstract:In order to understand the skin adaptability of Tibetan toad (Bufo tibetanus) that was responsible for its living environment at high elevation, the microstructural characteristics of its dorsal and ventral skins of head, trunk and limbs were studied from male and female specimens by normal histological method. The results showed that the basic structure of the skin was composed of epidermis and dermis, which was similar to other amphibians. The epidermis was thin and consisted of stratum corneum, middle layer and stratum basale with 5 to 8 layers of cells. The dermis was thick and consisted of stratum spongiosum and stratum compactum. The dorsal skin was thicker than the ventral one on the corresponding parts, and the female skin was thicker than the male. Changes in skin thickness were related to the movement pattern and the amplexus behavior to a certain extent. Skin glands could be divided into mucus glands and granular glands. The chromatophores were mainly distributed in the stratum spongiosum near the epidermis, as well as discontinuously distributed in the epidermis and the surrounding of glands. The capillary vessels were abundant in skin, which were not only continuously distributed in the epidermis but also densely distributed around the glands. In conclusion, the structures of the toad skin were closely adapted to the strong ultraviolet radiation and hypoxic environment.
2016,(35): 444-451 收稿日期:2016-01-29
DOI:10.11984/j.issn.1000-7083.20160026
分类号:Q959.5;Q954
基金项目:国家自然科学基金项目(No.30870276)
作者简介:高凤娟(1990-),女,硕士研究生,研究方向:两栖爬行动物环境毒理学,E-mail:279324525@qq.com
*通讯作者:陆宇燕,E-mail:luyuyan2001@yahoo.com
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