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The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.

子产生于性母细胞(原细胞)

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Each one is divided into about 250 sections, called lobules, which are loaded with tightly-coiled seminiferous tubules.

每一个成大约 250 个部,称为小叶,其中装载着密盘绕的生精小管。

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Crash Course 解剖生理学篇

Now, obviously, if sperm are going to get anything accomplished, they have to leave the seminiferous tubules that made them.

显,如果精子想要完成任何事情,它们必须离开制造它们的生精小管

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double-heading, double-heterostructure, double-hook, double-hulled, double-hung, double-jointed, double-layer, doubleleaded, double-leaded, double-length,

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