Male Reproductive System of Spiders

Male Reproductive System of Spiders
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蜘蛛的雄性生殖系统

DOI:
10.1007/978-3-642-33989-9_13
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发表时间:
2013
期刊:
影响因子:
--
通讯作者:
Michalik
Michalik
中科院分区:
--
文献类型:
--
作者:
Michalik

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蜘蛛的雄性生殖系统在其大体形态和精子超微结构方面具有很大的差异。初级雄性生殖系统由精巢、输精管和射精管组成,在不同的分类群中差异很大。精子发生通常发生在整个男性成年期,但可以停止和终止与最后蜕皮(永久性精子耗竭)。精子的超微结构复杂,具有很高的系统发育潜力。然而,精子细胞成分和精子结合物的演变和功能尚未得到很好的理解,应该在未来解决的新方法,包括基于计算机的三维重建的基础上,透射电子显微镜切片。这不仅有助于理解通常复杂的精子的组织,而且还可以提高分类群之间的再现性。最近发现的精液分泌物的高度结构多样性也是如此。与性有关的分泌物的影响从未被研究过,但对于了解蜘蛛繁殖是必不可少的。
The male reproductive system of spiders is very diverse across taxa regarding its gross morphology and sperm ultrastructure. The primary male genital system, which consists of testis, deferent duct and ejaculatory duct, varies remarkably across taxa. Spermatogenesis occurs usually throughout male adulthood, but can be ceased and terminated with the final molt (permanent sperm depletion). The ultrastructure of spermatozoa is complex and reveals high phylogenetic potential. Nevertheless, the evolution and function of the sperm cell components and sperm conjugates is not yet well understood and should be addressed in the future with new methods including computer-based 3D reconstruction based on transmission electron microscopy sections. This will not only help to understand the organization of the often complex spermatozoa but also increase the reproducibility across taxa. The same is true for the recently revealed high structural diversity of seminal secretions. The influence of sex-related secretions was never studied but is indispensable to understand spider reproduction.
狼蛛的精子超微结构和精子发生(蜘蛛科:狼蛛科)
DOI: --
发表时间: 1997
期刊:
影响因子: --
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