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Ultrastructural studies of the pecten oculi of the Garganey (Anas querquedula, Linnaeus 1758) and the Eurasian common moorhen (Gallinula chloropus chloropus, Linnaeus 1758)
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2021-03-15 , DOI: 10.1002/jemt.23752 Mohamed M A Abumandour 1 , Naglaa F Bassuoni 1 , Basma G Hanafy 1
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2021-03-15 , DOI: 10.1002/jemt.23752 Mohamed M A Abumandour 1 , Naglaa F Bassuoni 1 , Basma G Hanafy 1
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The present study represents the first attempts to give a full anatomical comparison of the vascular pigmented pectin oculi of the diurnal activity Anas querquedula and Gallinula chloropus chloropus. For achievement of this work, 10 mature birds from each species were examined under stereo- and electron microscope. The pecten oculi of A. querquedula is triangular fan-like, while in Gallinula c. thin like-fold. In both examined birds, the pecten oculi located postero-anteriorly intraocular just adjacent to optic nerve disc and attached to the retina by its base, while the free apex projected into vitreous body. A. querquedula had 14–15 pleats, while Gallinula c. chloropus had 22–24 pleats. In A. querquedula, all pecten pleats connected to each other apically by a connecting bridge. The pecten oculi was plicated type in A. querquedula, but folded type in Gallinula c. chloropus. In A. querquedula, the external surface of the pleats head carried 8–10 transverse ridges, in addition to the external and lateral surface of the pleat body carried numerous round prominences that indicated the presence of numerous afferent and efferent vessels. In both examined birds, there is a retinal elevated fold situated parallel to the slightly elevated basal fold which is clear and thicker in A. querquedula than in Gallinula c. chloropus. In Gallinula c. chloropus, the transverse section shows that the pleats had numerous afferent and efferent vessels capillaries. Statistical analysis comparing the relative measurements of the pecten oculi in the two examined birds showed that there was a significant difference.
中文翻译：
对 Garganey (Anas querquedula, Linnaeus 1758) 和欧亚常见 moorhen (Gallinula chloropus chloropus, Linnaeus 1758) 的 pecten oculi 进行超微结构研究
本研究首次尝试对昼夜活动Anas querquedula和Gallinula chloropus chloropus的血管色素果胶眼进行全面解剖比较。为了完成这项工作，在立体和电子显微镜下检查了每个物种的 10 只成年鸟类。A的果核。querquedula是三角扇状，而在Gallinula c 中。薄如褶皱。在两只被检查的鸟类中，果核位于眼内的后前部，紧邻视神经盘并通过其基部附着在视网膜上，而游离的顶点伸入玻璃体中。一个。querquedula有 14-15 个褶皱，而黑水鸡Ç。叶绿素有 22-24 个褶皱。在A . querquedula，所有的梳状褶皱通过连接桥在顶端相互连接。扇眼在A中呈折叠型。querquedula，但在Gallinula c 中折叠类型。叶绿素。在A . 奎杜拉，褶头的外表面带有 8-10 条横脊，此外，褶主体的外表面和侧面带有许多圆形突起，表明存在大量传入和传出血管。在两个被检查的鸟类中，有一个视网膜升高的褶皱平行于略微升高的基底褶皱，在A 中是清晰和厚的。querquedula比Gallinula c。叶绿素。在加利努拉 c . 叶绿素，横切面显示褶皱有许多传入和传出血管毛细血管。统计分析比较了两只受检鸟类的扇眼相对测量值，结果表明存在显着差异。
更新日期：2021-03-15
中文翻译：
对 Garganey (Anas querquedula, Linnaeus 1758) 和欧亚常见 moorhen (Gallinula chloropus chloropus, Linnaeus 1758) 的 pecten oculi 进行超微结构研究
本研究首次尝试对昼夜活动Anas querquedula和Gallinula chloropus chloropus的血管色素果胶眼进行全面解剖比较。为了完成这项工作，在立体和电子显微镜下检查了每个物种的 10 只成年鸟类。A的果核。querquedula是三角扇状，而在Gallinula c 中。薄如褶皱。在两只被检查的鸟类中，果核位于眼内的后前部，紧邻视神经盘并通过其基部附着在视网膜上，而游离的顶点伸入玻璃体中。一个。querquedula有 14-15 个褶皱，而黑水鸡Ç。叶绿素有 22-24 个褶皱。在A . querquedula，所有的梳状褶皱通过连接桥在顶端相互连接。扇眼在A中呈折叠型。querquedula，但在Gallinula c 中折叠类型。叶绿素。在A . 奎杜拉，褶头的外表面带有 8-10 条横脊，此外，褶主体的外表面和侧面带有许多圆形突起，表明存在大量传入和传出血管。在两个被检查的鸟类中，有一个视网膜升高的褶皱平行于略微升高的基底褶皱，在A 中是清晰和厚的。querquedula比Gallinula c。叶绿素。在加利努拉 c . 叶绿素，横切面显示褶皱有许多传入和传出血管毛细血管。统计分析比较了两只受检鸟类的扇眼相对测量值，结果表明存在显着差异。
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