megaspore
- 单词发音：英 [ 'megəspɔ: ] 美 [ 'megəˌspoʊr ]
- 基本解释：n.[植]大孢子,(种子植物的)胚囊
- megaspore 是什么意思及中文翻译：
- 名词(n.) 大孢子，（种子植物的）胚囊
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- Of the four products of a megaspore mother cell, three usually abort.
在大孢子母细胞分裂产生的四个孢子中, 三个会解体消失。
- Generally, the chalazal megaspore functions while the remaining three degenerate.
珠孔端3个退化，合点端为功能大孢子。
- Function megaspore is in the chalaza and the monosporic embryo sac is chenopodiad type.
功能大孢子位于合点端，大孢子发育为蓼型胚囊。
- The archesporial cell below nucellus epiderm functions directly as the megaspore mother cell.
珠心表皮下的雌性孢原直接发育为大孢子母细胞。
- Successive cytokinesis in the megasporocyte follows meiosis and the megaspore tetrads are linear.
大孢子母细胞减数分裂形成直线型四分体。
- 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。
- 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。
- Arrangement of megaspore is linear shaped, the megaspore of chalazal end is functional megaspore.
大孢子排列为直线型，合点端大孢子为功能大孢子。
- There is only one layer of parietal cells at the stage of sporogenous cell, megaspore mother cell and tetrad.
造孢细胞，大孢子母细胞和四分体时期，周缘细胞仅1层。
- 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。
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