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首页> 美国卫生研究院文献>Veterinary Medicine and Science >Influence of laterality on testis anatomy and histology in Ghezel rams
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Influence of laterality on testis anatomy and histology in Ghezel rams

机译：偏侧性对Ghezel公羊睾丸解剖结构和组织学的影响

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摘要

Whether paired organs are equivalent has to be analyzed by assessing both structural and functional aspects. The present study compared the paired left and right testis from Ghezel sheep originating from Northwestern Iran (Azerbaijan) and Northeastern Turkey. Twenty‐five pairs of testes were collected from mature Ghezel rams from Tabriz slaughterhouse. The two glands were compared for their size, weight and activity rate. Weight, length, width and thickness were measured. Then, paraffinized blocks were prepared by routine histological techniques and sections were stained by the haematoxylin‐eosin method. Five 6 μm sections were prepared from each paraffinized block and 50 seminiferous tubules (STs) were analysed in each section for tubular differential index (TDI) and spermiogenesis index (SPI). TDI and SPI were compared between the paired left and right testes. Weight, length and thickness of left testes were significantly higher than in right testes (P < 0.05). Moreover, TDI and SPI were found to be higher in left testes than the right (P < 0.05).
机译：配对器官是否等效，必须通过评估结构和功能方面进行分析。本研究比较了来自伊朗西北部（阿塞拜疆）和土耳其东北部的Ghezel羊的成对的左右睾丸。从大不里士屠宰场的成熟Ghezel公羊中收集了25对睾丸。比较了两个腺的大小，重量和活动率。测量重量，长度，宽度和厚度。然后，通过常规组织学技术制备石蜡块，并用苏木精-曙红法对切片进行染色。从每个石蜡块制备5个6μm的切片，并在每个切片中分析50个曲细精管（STs）的肾小管分化指数（TDI）和生精指数（SPI）。比较了成对的左，右睾丸的TDI和SPI。左睾丸的重量，长度和厚度显着高于右睾丸（P <0.05）。此外，发现左睾丸的TDI和SPI高于右睾丸（P <0.05）。

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