Spermatids

常見例句

• A single centriole appears at the late stage of spermatid.
  晚期精細胞中出現(xiàn)單個中心粒，但在成熟精子中消失。
• The tail emerged in the following stage in spermatid phase.
  初級精母細胞略小，染色質(zhì)開始凝集，次級精母細胞開始出現(xiàn)尾部。
• The early spermatid is small with an oval shaped nucleus.
  結(jié)果顯示：早期精細胞圓形，胞質(zhì)豐富，內(nèi)含大量內(nèi)質(zhì)網(wǎng)小泡及線粒體。
• Spermatocytes produced by mitosis in spermatogonia divide meiotically to generate haploid spermatids.
  精原細胞經(jīng)有絲分裂再減數(shù)分裂產(chǎn)生單倍體精子細胞，即精母細胞。
• As spermatid nucleus elongates, the chromatin fibers are unwound and join together to form ribbon structure.
  當精細胞核向長形轉(zhuǎn)變時,染色質(zhì)纖維解旋并結(jié)合在一起形成緞帶結(jié)構(gòu)。
• With systeamine pretreatment decreased yields of dominant lethals were obtained in spermatocytes, spermatids and in spermatozoa.
  用半胱氨預先處理，在精母細胞、精子細胞和精蟲內(nèi)均可使顯性致死突變值下降。
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