Male reproductive cells travel down the tube and join with the ovule, fertilizing it.

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.

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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.

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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.

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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.

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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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Ovarian half, ovule majority, the seed has a wing.

子房半下位, 胚珠多数, 种子有翅.

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The spherical embryonic mass of blastomeres formed before and resulting from cleavage of the fertilized ovum.

桑椹胚形成于''.'囊'.''胚之前且处于胚胎''.'期'. ''内的球形裂球群,由受精卵细胞的分裂而成.

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One pc of germ cell approaches to a ovum quietly at first.

一个精子一马当先悄悄接近卵子.

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By day 11 the ovum begins to attach and implant in the lining of the uterus.

到第11天卵子着床嵌入子宫内壁.

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One way is taking the cell from a fertilized ovum.

一种方法是从受精卵中取出细胞.

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Field distribution pattern of the first generation of rice stem fly ovum was preliminarily studied.

对稻秆蝇一代卵在田间的分布型进行了初步研究.

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In vitro, the acrosome reaction of sperm does not influence the ovum fertilization rate.

在体外, 精子顶体反应率的高低与卵子受精率没有明显的相关性.

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Then you put that ovum into a different female's stomach.

然后,将那个卵细胞放到一个不同的雌性腹中.

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The ovum develops only in the female, and the sperm cell develops only in the male.

卵细胞仅在女性体内产生, 而精子细胞则仅在男性体内制造.

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Several suitable target antigens from Spermatozoa, ovum and reproductive hormones have been used for the vaccine.

人们从精子 、 卵细胞和生殖激素中筛选出最为适合的靶抗原用于免疫避孕疫苗.

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How does a zygote differ from an ovum?

受精卵和卵细胞有何不同?

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Once the ovum is released it has a lifespan of 12 to 36 hours.

卵子排出后可存活12至36小时。

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The ovum passes into the fallopianuterinetube , and will degenerate if not fertilized within about 24 hours.

如果卵子排出后约24小时内未能受精就将退化.

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Objective Psychological nursing can be control effectively of up anxious level before and after ovum.

目的取卵术手术前后实施心理护理以有效控制患者焦虑水平的上升.

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The formation, development, and maturation of an ovum.

形成卵并产出卵;这是雌性动物的生理活动.

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