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首頁(yè)英語(yǔ)詞典ovuleovule實(shí)用場(chǎng)景例句

ovule

英 ['?vju?l; '??-] 美['ovjul]
  • n. 胚珠；幼籽；卵細(xì)胞

實(shí)用場(chǎng)景例句

The fertilized ovule becomes the seed, and the ovary becomes the fruit.
已受精的卵子成為種子, 而子房變成了果實(shí).

期刊摘選

The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
初生合點(diǎn)吸器沿著胚珠的維管組織分支.

辭典例句

Chalaza ( pl . chalaxae or chalazas ) The region of an angiosperm ovule where the nucellus and integuments merge.
合點(diǎn) :被子植物胚珠上的一個(gè)區(qū)域,在合點(diǎn)處珠心和珠被愈合.

期刊摘選

Funicle ( funiculus ) The stalk attaching the ovule ( later the seed ) to the placenta angiosperm ovaries.
中連接胚珠 ( 之后的種子 ) 和胎座的柄.

期刊摘選

Male reproductive cells travel down the tube and join with the ovule, fertilizing it.
雄性生殖細(xì)胞到達(dá)花柱然后加入卵子, 使它授精.

期刊摘選

Growing straight , so that the micropyle is at the end opposite the stalk. Used an ovule.
直生的直立生長(zhǎng)以至珠孔在莖的另一端的. 用于形容胚珠.

期刊摘選

Testa The hard dry protective covering of a seed, formed from the integuments of the ovule.
外種皮:覆蓋在種子外部的堅(jiān)硬干燥的保護(hù)層, 由胚珠的珠被發(fā)育形成.

期刊摘選

A stalk connecting an ovule or a seed with the placenta.
珠柄與胚珠或含胎座的種子相接的葉柄.

期刊摘選

Nutrients pass through the funicle to the ovule and seed.
營(yíng)養(yǎng)物質(zhì)通過(guò)珠柄傳遞到胚珠和種子.

期刊摘選

Ovarian 2 rooms, ovule much line, style filiform, post tongue shape is compressed.
子房2室, 胚珠多列, 花柱絲狀, 柱頭舌狀扁平.

期刊摘選

Frequently the basal ovule, which is the last one to be fertilized would abort.
最后受精的基生胚珠經(jīng)常敗育.

辭典例句

Funicle ( funiculus ) The stalk attaching the ovule ( later the seed ) to the placenta in angiosperm ovaries.
被子植物 子房中連接胚珠 ( 之后的種子 ) 和胎座的柄.

期刊摘選

The ovule is bitegminous archesporial cell locates under the nucellus epidermis, which develops into functional megasporocyte.
孢原細(xì)胞位于珠心表皮之下, 直接起大孢子母細(xì)胞的功能.

期刊摘選

The ovule of Hyoscyamus niger is renuinullceate.
天仙子(Hyoscyamusniger)胚珠為薄珠心胚珠.

期刊摘選

The occurrence of more than one embryo in the ovule denotes polyembryony.
在胚珠中有一個(gè)以上的胚發(fā)生是表示多胚現(xiàn)象.

辭典例句

Seed development in most instances commences following fertilization of the ovule.
大多數(shù)種子的形成是從胚珠受精開(kāi)始的.

辭典例句

Ovarian half, ovule majority, the seed has a wing.
子房半下位, 胚珠多數(shù), 種子有翅.

期刊摘選