The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.
子产生于
壁的性母细胞（原细胞）。
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seminiferous tubule
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non-add, nonaddict, nonaddicting, nonaddictive, nonadditive, non-additive, nonadditivity, non-additivity, nonadecane, nonadecyl,
相似单词
semination, seminationsowing, seminatural, semi-natural, seminiferous, seminiferous tubule, seminific, seminist, seminivorous, seminoid,
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