ovule是什么意思 ovule的用法 ovule怎么读

ovule

英 ['ɒvjuːl; 'əʊ-]美 ['ovjul]

n. 胚珠；幼籽；卵细胞

中文词源

ovule 胚珠

ovi-,卵，-ule,小词后缀。即小卵，胚珠。

英语词源

ovule (n.)

1821, from French ovule

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

权威例句

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

初生合点吸器沿着胚珠的维管组织分支.

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

在胚珠中有一个以上的胚发生是表示多胚现象.

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

大多数种子的形成是从胚珠受精开始的.

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

最后受精的基生胚珠经常败育.

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

已受精的卵子成为种子, 而子房变成了果实.

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