| 释义 |
SpermatidsCOCA³¹⁵¹¹¹⁺⁴
基本例句
精细胞¹⁰⁰原型spermatid的复数A single centriole appears at the late stage ofspermatid.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 inspermatidphase.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 earlyspermatidis 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 haploidspermatids.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。
Asspermatidnucleus 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。
With systeamine pretreatment decreased yields of dominant lethals were obtained in spermatocytes,spermatidsand in spermatozoa.用半胱氨预先处理，在精母细胞、精子细胞和精虫内均可使显性致死突变值下降。 |