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- In Polygonum-type the micropylar dyad cell degenerated quickly, while the chalazal one finished meiosis II to form two unequal-sized megaspore. 韭型大孢子发生时,只进行减数第一次分裂,不发生减数第二次分裂,形成二分体,珠孔端二分体细胞退化,合点端二分体细胞发育为二倍体功能大孢子。
- The megasporocyte undergoes the first meiotic division, giving rise to two dyad cells. 功能大孢子进行第二次减数分裂,形成二核胚囊。
- A storage cell in some amorphous memory devices. 某些非晶体存储器中的一个存储单元。
- She was found prostrate on the floor of the cell. 有人发现她趴在小屋的地板上。
- The prisoner rapped out a message on the cell wall. 那囚犯敲打囚室的墙来传达讯息。
- The prisoner raped out a message on the cell wall. 那囚犯敲打囚室的墙来传达讯息。
- The growth of successive layers of a cell wall. 敷着,附着细胞壁连续层的生长
- As a result, dyad spores formed. 结果形成二分体孢子。
- The prisoner was locked in a cell. 那囚犯被关在单人牢房内。
- The prisoner paced the floor of his cell. 那犯人在牢房里来回地走著。
- The stage was designed to imitate a prison cell. 舞台设计成牢房的样子。
- dyad cell 二分细胞
- Status Offline What the Hell's a Naiad Dyad? 到底什么是“水中仙女二元体”?
- The prisoner clawed at the cell door in desperation. 囚犯绝望地乱抓牢房的门。
- The protoplasm outside the nucleus of a cell. 细胞质,细胞浆细胞分子外部的细胞质
- Any single cell division in such a series. 细胞分裂这种一组分裂中的任何一次简单细胞分裂
- The optical system of the eye stimulate cell of the retina. 眼睛的视觉系统刺激视网膜内的细胞。
- The prisoner shuffled along the corridor and into their cell. 囚犯们沿著走廊拖著脚步进入牢房。
- A red blood cell having no hemoglobin. 血影细胞失去血红蛋白的一种红血细胞
- The dyad formed in Meiosis I was wrapped by thick callose. 粗/双线期,细胞的电子密度增加,细胞壁积累胼胝质,切断大孢子母细胞与珠心细胞之间的胞间连丝,核糖体的数量增多,线粒体与质体的形态变得不易区分,呈现脱分化状态。