大孢子的英文翻译與發音


大孢子

[dà bāo zǐ]
    megaspore;macrospore;megalospore;macroispore;gynospore





megaspore [megәspɔ:( r)]
    n.[植]大孢子,(種子植物的)胚囊

macrospore [mækrәuspɔ:(r)]
    n.大胞子



大孢子的中英文例句與用法


報導蘇鐵植物大孢子葉化石一新屬--中間蘇鐵屬(mediocycasgen。nov。)
A new genus mediocycas gen.nov. of fossil cycad megasporophylls is reported.
大孢子兩種孢子中較大的一種,會產生雌性配子體
The larger of two types of spores that give rise to a female gametophyte.
番木瓜的大孢子發生與胚囊發育。
Genesis of megaspore and development of embryo sac in carica papaya l.
極核經由雙重授精之結果大孢子受精後的衍生細胞。
The central nucleus in the result of double fertilization.
受精前的大孢子囊細胞。
The megasporangium cells before fertilization.
珠心胚珠的中心,胚芽囊在此發育;大孢子
The central portion of an ovule in which the embryo sac develops; the megasporangium.
該配子體是由大孢子母細胞進行減數分裂而來。
The gametophyte is derived from the product of a reduction division in the megaspore mother cell.
接合孢子由相似的配子結合而成的多核大孢子,如在海藻或真菌中
A large multinucleate spore formed by union of similar gametes as in algae or fungi.
胚胎學觀察揭示大孢子與胚囊內的卵細胞、助細胞和反足細胞均有可能在培養中啟動分裂,通過胚狀體或愈傷組織形成單倍體植株。
Embryological studies reveal that megaspore and such cells as egg synergid and antipodals in mature embryo sac initiate the division of forming haploid plants through embryogenesis or callus formation.
石鬆和楔葉類只形成一種類型的毬果,然而裸子植物既有雌性的大孢子葉球也有雄性的小孢子葉球。
In the clubmosses and horsetails only one type of strobilus is formed while in the gymnosperms female megastrobili and male microstrobili both develop.
心皮是由大孢子葉兩邊癒合進化而來的。
It has evolved by fusion of the two edges of the megasporophyll.
在異型孢子體種類中,可區分為大孢子母細胞和小孢子母細胞。
In theterosporous species a distinction is usually made between megaspore mother cells and microspore mother cells.
造孢細胞,大孢子母細胞和四分體時期,周緣細胞僅1層。
There is only one layer of parietal cells at the stage of sporogenous cell megaspore mother cell and tetrad.

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大孢子的相關詞匯及其英文翻譯


大孢子   auxospore

大孢子   macrospore

大孢子發生   megasporogenesis

大孢子葉   megasporophyll

大孢子葉球   ovulate strobilus, female cone又稱"雌球花"。

大孢子吸器   megaspore haustorium

大孢子母細胞   megasporocyte

大孢子菌病   adiaspiromycosis