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首页> 外文期刊>Zoological Science >The Pharyngeal Organ in the Buccal Cavity of the Male Siamese Fighting Fish, Betta splendens, Supplies Mucus for Building Bubble Nests
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The Pharyngeal Organ in the Buccal Cavity of the Male Siamese Fighting Fish, Betta splendens, Supplies Mucus for Building Bubble Nests

机译：雄性暹罗斗鱼（Betta splendens）颊腔中的咽部器官，提供粘液以建造气泡巢

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The male Siamese fighting fish, Betta splendens, builds a bubble nest on the water surface to care for offspring during the reproductive period. To our knowledge, this study is the first to determine the composition of the bubble nest and to compare the pharyngeal organs of male and female Siamese fighting fish to determine the relationship between the pharyngeal organ and the ability to make bubble nests. Dot blots of the bubble nest probed with periodic acid-Schiff's (PAS) staining and Ponceau S solution revealed that the contents of the nest are glycoprotein rich. Dissection of the heads of Siamese fighting fish showed that the pharyngeal organ is located in the position through which inhaled air passes. The epithelial structure of the pharyngeal organ of the Siamese fighting fish, like that of other teleosts, has numerous wrinkles and papillae. Mucous goblet cells were observed on the epithelium of pharyngeal organs in male and female fish. The pharyngeal organ was found to be larger in male than in female fish. In addition, the epithelium of the pharyngeal organ in male fish has a greater number of mucous goblet cells than that in female fish. In Siamese fighting fish, this sexual dimorphism of the pharyngeal organ suggests that the male fish secretes more glycoprotein-rich mucus to build the bubble nest. Future work will focus on the type of mucous cells found in the epithelium of the pharyngeal organ that contributes to bubble formation and will determine the components of the mucus in the bubble nest.
机译：雄性暹罗斗鱼Betta splendens在繁殖期在水面筑巢，以照顾后代。据我们所知，这项研究是第一个确定气泡巢的组成并比较雄性和雌性暹罗斗鱼的咽部器官，以确定咽部器官与制造气泡巢的能力之间的关系的研究。用高碘酸-希夫（PAS）染色和Ponceau S溶液探测的气泡巢的斑点印迹表明，巢的内容物富含糖蛋白。暹罗斗鱼的头部解剖表明，咽器官位于吸入空气通过的位置。像其他硬骨鱼一样，暹罗斗鱼的咽部器官的上皮结构也具有许多皱纹和乳突。在雄性和雌性鱼类的咽器官上皮中观察到粘液杯状细胞。发现雄鱼的咽部器官比雌鱼大。另外，雄鱼中咽器官的上皮比雌鱼中的粘液杯状细胞更多。在暹罗斗鱼中，咽部器官的这种有性二态性表明，雄鱼分泌出更多的富含糖蛋白的黏液，以建立气泡巢。未来的工作将集中在咽器官上皮中发现的黏液细胞类型，该黏液细胞有助于气泡的形成，并确定气泡巢中黏液的成分。

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