Oropharyngeal structure of the juvenile spotted Scat, Scatophagus argus

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Published: May 20, 2018

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Lamai Thongboon
Department of Biology, Faculty of Science, Prince of Songkla University, Songkhla 90110, Thailand
Sinlapachai Senarat
Department of Marine Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
Jes Kettratad
Department of Marine Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
Sansareeya Wangkulangkul
Department of Biology, Faculty of Science, Prince of Songkla University, Songkhla 90110, Thailand
Wannee Jiraungkoorskul
Department of Pathobiology, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
Pisit Poolprasert
Program of Biology, Faculty of Science and Technology, Pibulsongkram Rajabhat University, Mueang, Phitsanulok, 65000, Thailand
Mark Tunmore
The Boat House, Church Cove, Lizard, Cornwall, TR12 7PH England

Abstract

          A total of 20 juvenile-staged individuals of spotted Scat, Scatophagus argus with standard length of 5.06±0.32 cm was histologically examined for the oropharyngeal cavity by using standard paraffin method and histochemical analysis. Results showed an organizing of three tissue layers to make up for oropharyngeal structure including mucosa, submucosa and muscularis, respectively. Stratified epithelium of the mucosal layer with several cell types including mucous cells and taste buds occurred in all regions. With histochemical analysis, the mucous cell showed a strong positive reaction with Periodic acid-Shiff and alcian blue at pH 2.5, indicating the presence of the glycoprotein and mucopolysaccharide. Additionally, the oral cavity of S. argus also showed villiform teeth, which distributed in three areas (upper jaw, lower jaw and pharyngeal teeth). This is the first report about the histological observations of the oropharyngeal cavity in S. argus during juvenile stage, which could be applied to further studies about S. argus.

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How to Cite
Thongboon, L., Senarat, S., Kettratad, J., Wangkulangkul, S., Jiraungkoorskul, W., Poolprasert, P., & Tunmore, M. (2018). Oropharyngeal structure of the juvenile spotted Scat, Scatophagus argus. YRU Journal of Science and Technology, 2(2), 77–85. retrieved from https://li01.tci-thaijo.org/index.php/yru_jst/article/view/124570
Issue
Vol. 2 No. 2 (2017): July-December
Section
Research Article

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