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ovules相关的网络例句

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与 ovules 相关的网络例句 [注:此内容来源于网络,仅供参考]

The tree's seeds develop in parts of the flowers known as ovules, and the pollinator lays her eggs into some of these ovules.

这棵树的种子发展地区的花卉被称为胚珠,并奠定了她的授粉鸡蛋到其中的一些胚珠。

Most pollinator wasp eggs are found in the inner ovules, whereas most fig seeds develop in the outer ovules.

大多数授粉蜂卵中发现的内部胚珠,而大多数无花果种子开发外胚珠。

Ovary superior, 2-carpellate; locules 2 and each with 2 ovules, or 4 and each with 1 ovule; ovules nearly atropous, semianatropous, or anatropous.

子房上位,2具心皮;子房2 室,每室2胚珠,或者子房4 室,每室1胚珠;胚珠近直生,半倒生,或倒生。

Thpetum is the gland cell type. The pistil has two carpels, the ovules belong to straight ovules with bitegmic;77% nucellus stoped development before from the archesporial cell and disappear and 23% nucellus atrophy .so the flower cannot grow seeds.

安祖花的雌蕊是由2 心皮组成,胚珠为直生胚珠,双珠被,77%珠心细胞在胞原细胞形成之前停止发育,并且逐渐解体消失,23%珠心细胞发生萎缩,导致雌蕊败育。

Leaves several, lorate or linear, cross section semiterete or terete, solid or fistulose, base usually not narrowed into a petiole; ovules 2 to several per locule; if leaf base narrowed into a petiole or ovules 1 per locule then bulb tunic never distinctl

叶数个,带状或线形,横断面半圆柱形或圆柱状,中空的固体或,基部通常不缩小成为叶柄;胚珠2到数枚每室;如果叶基部狭窄成为叶柄或胚珠1每室那么鳞茎皮从未是distinctl 7

At the same time, there was remarkable difference in the calcium distribution on the wall of micropylar canal between self-pollinated and cross-pollinated ovules: abundant calcium precipitates were found on the wall of self-pollinated ovules, whereas none on cross-pollinated pollen.

同时,自交和异交授粉胚珠珠孔道壁钙信号表达也存在很大差异,自交授粉胚珠珠孔道壁有大量钙颗粒密集,而异交授粉胚珠珠孔道壁无钙沉淀积累。

As a sexual reproductive organ, ovules have received much attention by botanists. Since the nineteenth century, the morphology, structure, ontogenesis, origin and molecular biology of angiosperm ovules have been studied in detail.

胚珠作为被子植物的有性生殖器官一直为植物学家所关注。19世纪以来,人们从形态结构、发生发育、起源及分子生物学等方面对胚珠进行了大量的研究。

Ovaries 3-5, superior to half-inferior, often partially immersed in disk, completely or incompletely 2-5-locular, placentation axile, ovules erect, axile, or pendulous, ovules (1 or)2(or 3 or more) per locule; style terminal, simple, short to absent; stigma simple or lobed.

子房3-5,上位或半下位,通常部分没于花盘,完全或者不完全2-5室,中轴胎座,胚珠生中轴上或下垂,每室(1-)2(-3)胚珠;花柱顶生,单一,短或无;柱头单一或者分裂。

Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.

大多数被子植物的胚珠有两层珠被,而裸子植物通常只有一层。

The secondary nuclei can fertilize normally and form nuclear type endosperm while some constitute cellular endosperm, All of them degenerate 12 days after pollination,with the result of the ovules being aborted earlier while the arillus still occur and develop into seedless fruit finally.

次生核虽正常受精,并产生核型胚乳,有的还能发育到细胞型胚,到 12d左右也完全退化。结果导致胚珠极早败育,但假种皮仍能发生发育,最终形成无核果实

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