Histological Architecture of the Nasal Region in Rana chensinensis  

作　　者：Hongyuan WANG Zhouxian SANG Gang LIANG 

机构地区：[1]College of Life Science,Shaanxi Normal University

出　　处：《Asian Herpetological Research》2013年第1期68-75,共8页亚洲两栖爬行动物研究（英文版）

基　　金：supported by the National Natural Science Foundation of China(No.30200026);a special fund of the Shaanxi Normal University(No.GK261001)

摘　　要：The nasal region of Rana chensinensis is divided into the nasal capsules and nasal cavities. In this study, we investigated the adult histological structure of the nasal capsules and nasal cavities in the frog R. chensinensis under the microscope. We found that an eminentia olfactoria is present in this frog and the presence of the eminentia olfactoria may be connected to a terrestrial life style. The double staining method using alcian blue and alizarin red showed that the septomaxilla, the most important bone associated with the olfactory capsules, is an intramembranous bone in R. chensinensis. The opening of the nasolacrimal duct showed a close proximity to the apertura nasalis externa. The presence of the nasolacrimal duct in the olfactory region may be an adaptation to a terrestrial environment. The function of the vomeronasal and olfactory organs is discussed in the paper.The nasal region of Rana chensinensis is divided into the nasal capsules and nasal cavities. In this study, we investigated the adult histological structure of the nasal capsules and nasal cavities in the frog R. chensinensis under the microscope. We found that an eminentia olfactoria is present in this frog and the presence of the eminentia olfactoria may be connected to a terrestrial life style. The double staining method using alcian blue and alizarin red showed that the septomaxilla, the most important bone associated with the olfactory capsules, is an intramembranous bone in R. chensinensis. The opening of the nasolacrimal duct showed a close proximity to the apertura nasalis externa. The presence of the nasolacrimal duct in the olfactory region may be an adaptation to a terrestrial environment. The function of the vomeronasal and olfactory organs is discussed in the paper.

关 键 词：FROG Rana chensinensis olfactory organ vomeronasal organ skeletal morphology 

分 类 号：Q954.6[生物学—动物学]