metaphase

There were detestably close synapses between homologous chromosomes during thellateprophase and early metaphase in mitosis of somatic cells.

发现在其有丝分裂晚前期、中期阶段，咯对同源染色体都在进行联会。

Objective:To study the effect between Ethinylestradiol combined Rivanolum and Misoprostil and sole Rivanolum for stoping the metaphase and late pregnancy.

:雌醇、利凡诺、米索前列醇联合和单用利凡诺中止中、晚期妊娠临床疗效。

A dedifferentiation of mitochondria and plastids in structure in microspore mother cells was observed at from diplonema/diakinesis to metaphase Ⅰ,then a redifferentiation at dyad stage.

在小孢子母细胞减数分裂过程中，有核糖体数量存在逐渐减少现象，质体和线粒体结构在双线期/终 变期和中期Ⅰ趋于简化；

Human Peripheral blood exposed with tritiated water at variousdoses for 54 hr was examined to observe the chromosome and chromatid abe-rrations at metaphases in the first mitosis of lymphocytes.

将人体外周血在不同剂量氚水中培养54小时,观察到淋巴细胞第一次有丝分裂中期染色体型及单体型畸变。