Spermatids
基本解释
- 精细胞
英汉例句
- A single centriole appears at the late stage of spermatid.
晚期精细胞中出现单个中心粒，但在成熟精子中消失。 - The tail emerged in the following stage in spermatid phase.
初级精母细胞略小，染色质开始凝集，次级精母细胞开始出现尾部。 - The early spermatid is small with an oval shaped nucleus.
结果显示：早期精细胞圆形，胞质丰富，内含大量内质网小泡及线粒体。 - Spermatocytes produced by mitosis in spermatogonia divide meiotically to generate haploid spermatids.
精原细胞经有丝分裂再减数分裂产生单倍体精子细胞，即精母细胞。 - As spermatid nucleus elongates, the chromatin fibers are unwound and join together to form ribbon structure.
当精细胞核向长形转变时,染色质纤维解旋并结合在一起形成缎带结构。