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《Journal of Anhui Agricultural Sciences》 2008-30
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Preliminary Study on Histology of Digestive Tract of Rhacophorus megacephalus

XU Jing-ming(Department of Life Science,Chongqing University of Arts and Sciences,Yongchuan,Chongqing 402168)  
[Objective] The purpose aimed to study batrachian digestive tract tissue.[Method]The tissue and cell in digestive tract of Rhacophorus megacephalus were studied by histological method.[Result]The results showed that the digestive tracts were divided into cavum oris,esophagus,ventriculus,duodenum,ileum and large intestine.The wall of digestive tract was made up of four layers,which were the mucosa layer,submucosa,lamina muscularis and serosa.Epithelium consisted of stratified ciliated columnar epithelium on esophagus,simple columnar epithelium on ventriculus and intestine.There were more plenty of mucosal fold in cavity of ventriculus and duodenum than other histology of digestive tract.The esophageal gland belonged to compound acinous gland,but gastric gland belonged to simple tubular gland.The duodenum had Brunner's glands.The ileum and large intestine did't has multicellular gland.There were goblet cells in the esophagus,duodenum,ileum and large intestine,but the ileum and large intestine had plenteous goblet cells more than the esophagus and duodenum.[Conclusion]The Phacophorus megacephalus lamina muscularis is constructed by smooth muscle with inside circular fibers more abundant than outside longitudinal ones.
【Fund】: 重庆文理学院项目资助(Z2007SK04)
【CateGory Index】: Q954.6
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