1.
development of flower and ovule
花及胚珠发育的时间表
2.
Cloning of the Genes Involved in Abortion Based on the ESTs Sequence in the Seedless Grape Cultivar Thomson Seedless;
无核葡萄胚珠发育进程中EST的分析及败育相关基因的克隆
3.
Only a few forest tree species can develop viable seed from unpollinated ovules.
只有少数林木可以从未授粉的胚珠发育成有活力的种子。
4.
Study on the Development of Ovule, Endosperm and Embryo in Stenospermic Seedless Grapes;
种子败育型无核葡萄胚珠、胚乳及胚发育的研究
5.
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
6.
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。
7.
Studies on Nucella PCD and Endosperm Cells Construction during the Development of Endosperm of Rice;
水稻胚乳发育中珠心凋亡与胚乳细胞构建的研究
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 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。
10.
A developmental disorder in an embryo.
胚胎病胚胎发育的紊乱
11.
The ovary wall remains fleshy after fertilization of the ovule except for the development of a thin outer skin.
除了薄的外果皮的发育外，子房壁在胚珠受精后仍然保持肉质。
12.
being or of the nature of an ovule.
胚珠的或有胚珠特点的。
13.
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。
14.
Development of more than one embryo from a single egg or ovule.
多胚；多胎从一个单个的卵子或胚珠发展出一个以上的胚胎
15.
Primary Study on the Mechanism of Ovule Abortion of Female-sterile Clone in Pinus Tabulaeformis Carr.;
油松雌性不育系胚珠败育机制的初步研究
16.
A fleshy, usually brightly colored cover of a seed, arising from the hilum or funiculus.
假种皮一种肉质的，通常色彩光亮的种子皮，由种脐或胚珠柄发育而来
17.
Embryo sac and embryo development and embryo rescue in Lilium distant cross
百合远缘杂交的胚囊和胚胎发育及胚拯救
18.
double-walled stage of the embryo succeeding the blastula.
囊胚发育之后的双层胚胎。