megaspore

英 ['megəspɔː] 美 ['mɛgə,spor]
  • n. 大孢子;(种子植物的)胚囊

英文词源


megaspore (n.)
1857, from mega- + spore.

双语例句


1. The gametophyte is derived from the product of a reduction division in the megaspore mother cell.
该配子体是由大孢子母细胞进行减数分裂而来.

来自辞典例句

2. A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell.
孢原细胞处于珠心表皮之下, 直接起大孢子母细胞的功能.

来自互联网

3. Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.
大孢子四分体为线形, 合点端功能大孢子发育成为蓼型胚囊.

来自互联网

4. The functional megaspore in the linear tetrad is the one endsac is the polygonum type.
大孢子四分体为直线型、少数为“T”型排列,合点端的一个为功能性大孢子.

来自互联网

5. As development goes on, callose fluorescence disappears in the chalazal wall of diplosporous functional megaspore.
二倍体功能大孢子的合点端细胞壁内的胼胝质荧光消失.

来自互联网

单词首字母