ovule
英 ['ɒvjuːl; 'əʊ-]
美['ovjul]
- n. 胚珠；幼籽；卵细胞
实用场景例句
- 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.
期刊摘选
- 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.
辞典例句
- Chalaza ( pl . chalaxae or chalazas ) The region of an angiosperm ovule where the nucellus and integuments merge.
- 合点 :被子植物胚珠上的一个区域,在合点处珠心和珠被愈合.
期刊摘选
- Funicle ( funiculus ) The stalk attaching the ovule ( later the seed ) to the placenta angiosperm ovaries.
- 中连接胚珠 ( 之后的种子 ) 和胎座的柄.
期刊摘选
- Male reproductive cells travel down the tube and join with the ovule, fertilizing it.
- 雄性生殖细胞到达花柱然后加入卵子, 使它授精.
期刊摘选
- Growing straight , so that the micropyle is at the end opposite the stalk. Used an ovule.
- 直生的直立生长以至珠孔在茎的另一端的. 用于形容胚珠.
期刊摘选
- Testa The hard dry protective covering of a seed, formed from the integuments of the ovule.
- 外种皮:覆盖在种子外部的坚硬干燥的保护层, 由胚珠的珠被发育形成.
期刊摘选
- A stalk connecting an ovule or a seed with the placenta.
- 珠柄与胚珠或含胎座的种子相接的叶柄.
期刊摘选
- Nutrients pass through the funicle to the ovule and seed.
- 营养物质通过珠柄传递到胚珠和种子.
期刊摘选
- Ovarian 2 rooms, ovule much line, style filiform, post tongue shape is compressed.
- 子房2室, 胚珠多列, 花柱丝状, 柱头舌状扁平.
期刊摘选
- 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.
辞典例句
- Funicle ( funiculus ) The stalk attaching the ovule ( later the seed ) to the placenta in angiosperm ovaries.
- 被子植物 子房中连接胚珠 ( 之后的种子 ) 和胎座的柄.
期刊摘选
- The ovule is bitegminous archesporial cell locates under the nucellus epidermis, which develops into functional megasporocyte.
- 孢原细胞位于珠心表皮之下, 直接起大孢子母细胞的功能.
期刊摘选
- The ovule of Hyoscyamus niger is renuinullceate.
- 天仙子(Hyoscyamusniger)胚珠为薄珠心胚珠.
期刊摘选
- 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.
辞典例句
- 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.
辞典例句
- Ovarian half, ovule majority, the seed has a wing.
- 子房半下位, 胚珠多数, 种子有翅.
期刊摘选