西瓜单词

ovule是什么意思

ovule

英 ['ɒvjuːl; 'əʊ-] 美 ['ovjul]

ovule 胚珠

ovi-,卵，-ule,小词后缀。即小卵，胚珠。

ovule (n.): 1821, from French ovule and directly from Modern Latin ovulum, literally "small egg," diminutive of Latin ovum "egg" (see ovum).

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.

来自辞典例句

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.