1.
It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules.
从雌球果原基发生到胚珠分化历时4个多月。
2.
Removing Murine Embryonic Stem Cells From the Differentiating Cell Culture By Using Magnetic Activated Cell Sorting
免疫磁珠分选降低分化体系中胚胎干细胞的比例
3.
At the end of February, the bract attained approximately their full size, and a pair of anatropous ovules were initiated on the adaxial surface at the base of the fertile ovuliferous scale.
2月底，苞片体积不再发生变化，珠鳞膨大端的基部的近轴面分化出2个倒生胚珠。
4.
being or of the nature of an ovule.
胚珠的或有胚珠特点的。
5.
The nucellus is usually degraded and absorbed as the endosperm develops.
珠心通常在胚乳发育时被分解和吸收。
6.
Having an ovule partially inverted and curved such that the micropyle nearly meets the funiculus.
弯生胚珠的具有部分地反向生长并变弯曲以致卵孔几乎碰到珠柄的胚珠的
7.
THE PRELIMINARY STUDY OF ULTRA-HISTOCHEMISTRY OF HISTONE OF THE OVULE OF BEGONIA SEMPERFLORENS AND THE RADICLE OF GINKGO BILOBA
四季海棠胚珠及银杏胚根的组蛋白超微组织化学的初步研究
8.
Studies on Cell and Biochemistry at Gametophytes Stage of Ovule in Pinus Tabulaeformis Carr.;
油松胚珠雌配子体发育阶段的细胞及生化研究
9.
The part within the ovary of a flowering plant to which the ovules are attached.
胎座开花植物子房内的某部分，胚珠可附于其上
10.
The ovule-bearing lower part of a pistil that ripens into a fruit.
子房雌蕊中含有胚珠的较底的部分，成熟为果实
11.
(of a plant ovule) partly inverted; turned back 90 degrees on its stalk.
（指植物的胚珠）部分的倒转；在干上向后旋转90度。
12.
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。
13.
Analysis of Genetic Variations of Pollen and Ovule in Several Subspecies and Varieties of Medicago sativa
几个紫花苜蓿亚(变)种花粉和胚珠遗传变异分析
14.
the scar on certain seeds marking its point of attachment to the funicle.
种子上的疤痕，系胚珠于胚珠柄的痕迹。
15.
development of flower and ovule
花及胚珠发育的时间表
16.
A PRELIMINARY STUDY ON THE HISTOCHEMISTRY AND ULTRASTRUCTURE OF THE MATURE OVULE OF BEGONIA SEMPFLORENS
四季海棠成熟胚珠的组织化学及超微结构的初步研究
17.
The central portion of an ovule in which the embryo sac develops;the megasporangium.
珠心胚珠的中心，胚芽囊在此发育；大孢子囊
18.
The scar on a seed, such as a bean, indicating the point of attachment to the funiculus.
种脐种子（如豆）上的疤痕，系胚珠于胚珠柄的痕迹