ovule是什麼意思 ovule的用法 ovule怎麼讀

ovule

英 ['ɒvjuːl; 'əʊ-]美 ['ovjul]

n. 胚珠；幼籽；卵細胞

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中文詞源

ovule 胚珠

ovi-,卵，-ule,小詞後綴。即小卵，胚珠。

英語詞源

ovule (n.)

1821, from French ovule

and directly from Modern Latin ovulum, literally "small egg," diminutive of Latin ovum "egg" (see ovum).

權威例句

1. The primary chalazal haustorium ramifies around the vascular tissues of the ovule.

初生合點吸器沿着胚珠的維管組織分支.

2. The occurrence of more than one embryo in the ovule denotes polyembryony.

在胚珠中有一個以上的胚發生是表示多胚現象.

3. Seed development in most instances commences following fertilization of the ovule.

大多數種子的形成是從胚珠受精開始的.

4. Frequently the basal ovule, which is the last one to be fertilized would abort.

最後受精的基生胚珠經常敗育.

5. The fertilized ovule becomes the seed, and the ovary becomes the fruit.

已受精的卵子成爲種子, 而子房變成了果實.

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