Jianli XIONG,Chongshan DAI,Mengyun LI,et al.Morphological Characteristics of the Dorsal Skin of Two Hynobiids and Their Adaptive Role in Aquatic and Terrestrial Habitats[J].Asian Herpetological Research(AHR),2013,4(1):62-67.[doi:10.3724/SP.J.1245.2013.00062]
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Morphological Characteristics of the Dorsal Skin of Two Hynobiids and Their Adaptive Role in Aquatic and Terrestrial Habitats
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Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]

Issue:
2013 VoI.4 No.1
Page:
62-67
Research Field:
Original Article
Publishing date:
2013-03-25

Info

Title:
Morphological Characteristics of the Dorsal Skin of Two Hynobiids and Their Adaptive Role in Aquatic and Terrestrial Habitats
Author(s):
Jianli XIONG1* ** Chongshan DAI1 2* Mengyun LI1 Wen DENG1 and Jichang LI2
1 Animal Science and Technology College, Henan University of Science and Technology, Luoyang 471003, Henan, China
2 College of Animal Medicine, Northeast Agriculture University, Harbin 150030, Heilongjiang, China
Keywords:
hynobiid salamander skin morphology adaptation habitat
PACS:
-
DOI:
10.3724/SP.J.1245.2013.00062
Abstract:
The morphological characteristics of the dorsal skin of trunk in two species of hynobiid salamanders, Batrachuperus pinchonii and Hynobius chinensis were examined by light microscopy. The basic structures of the skin in the two species are similar and consist of two layers: epidermis and dermis. The epidermis consists of stratum corneum, stratum intermedium and stratum germinativum, while the dermis is composed of a stratum spongiosum and stratum compactum. However, some species-specific variation has been identified (e.g., the distribution of capillary vessels and gland cells, and the thickness of skin). H. chinensis is a terrestrial species and only lives in water during breeding period, but B. pinchonii is aquatic and remains aquatic throughout its lifetime. The differences in the distribution of capillary vessels and gland cells are related to their different habitats, and show a morphological adaptation.

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