次级精母细胞（secondary spermatocytes ）次级精母细胞，呈圆形，较小，直径为3.5~4.0μm ，细胞质很少，核的嗜碱性增加，存在的时间短暂。
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The secondary spermatocytes become the spermatid quickly by short time development.
次级精母细胞经短暂的发育过程很快形成精细胞。
In the workers, a strong expression of Bcl-2-like was shown in secondary spermatocytes, and a lower expression level in spermatogonia and primary spermatocytes.
工蚁在次级精母细胞中最高，在精原细胞和初级精母细胞中较低。
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