The mature embryo sac has seven cells.
成熟胚囊内具七个细胞。
The mature embryo accumulate much protein and starch.
成熟胚中积累了大量的蛋白质和淀粉粒。
Chalazal end of mature embryo sac is narrow and elongated.
成熟胚囊的合点端狭长。
Abnormal development was observed at tetrad and mature embryo sac.
在四分体和成熟胚囊时期观察到了异常发育现象。
These abnormalities would cause the abnormal structure of mature embryo sac.
这些异常可能最终导致多种结构异常成熟胚囊的形成。
The cotyledons of the mature embryo are either green, yellow or chalky yellow.
成熟胚的子叶是绿色，黄色或浅黄色。
The mature embryo sac contains an egg apparatus, a central cell and three antipodal cells.
成熟胚囊为蓼型胚囊，它包括卵器，一个中央细胞和三个反足细胞。
Many embryogenic calli were produced by subculture of calli induced from mature embryo of rice.
从水稻成熟胚诱导出的愈伤组织经继代培养后可以产生大量的胚性愈伤组织。
The mature embryo sac was one with five nucleus, i. e., egg apparatus and two-nucleus central cell.
成熟的胚囊是五核胚囊：由近珠孔端的卵细胞和两个助细胞以及两个中央极核细胞构成的。
The mature embryo sac comprises an egg apparatus, a central cell with two polar nuclei and three antipodal cell.
成熟胚囊由印器，具二极核的中央细胞及三个反足细胞组成。
A mature embryo sac is composed of egg apparatuses (two synergids and one egg cell), central cells and three antipodal cells.
成熟胚囊包含卵器(由两个助细胞、一个卵细胞组成)，中央细胞及三个反足细胞。
In Buffallograss tissue culture, seedling segment, leaf base, mature embryo and immature male inflorescences can be used as explant.
野牛草组织培养的外植体有幼苗片段、叶基、雄花幼穗和成熟胚等。
The present paper analysed two key procedures for rapid establishment of embryogenic cell suspension cultures derived from barley mature embryo.
本文分析了从大麦成熟胚培养快速建立胚性悬浮细胞系的两个关键步骤。
The mature embryo sac is surrounded by en lothelium tapetum. It is composed or an egg apparatus, one central cell with secondary nucleus, and 1—6 antipodal cells.
成熟胚囊被珠被绒毡县包围，由卵器、具次生核的中央细胞以及数目为1至6个反足细胞组成。
Full quality of basic media were more suitable to callus subculture than half quality of that. But MS basic medium was advantageous to plant regeneration of mature embryo.
全量培养基比半量培养基更适合愈伤组织继代；MS基本培养基有利于种胚植株再生。
So it was significant to build an efficient regeneration system for barley mature embryo by studying factors that influence barley mature embryo culture and plant regeneration.
因此，研究大麦成熟胚组织培养条件和植株再生频率的影响因素，建立大麦成熟胚高效再生体系对于有效地开展大麦转基因研究具有重要意义。
After being cultured 50-70 days, embryos (including mature and immature ones) as well as seedlings from the mature embryo are obtained from 7 crosses and 2 selfed cultivars with a certain frequency.
培养50—70天，7个杂交组合及2个自交品种的胚珠均获得一定频率的胚(包括成熟和不成熟胚)及成熟胚萌发的苗。
The high efficient plant regeneration systems have been established by optimizing tissue culture conditions using inflorescence explants, immature and mature embryo scutella as the target materials.
优化了小麦组织培养条件，建立了以小麦幼穗切段、幼胚盾片和成熟胚盾片为外植体的高效稳定再生体系。
The technique essentially reverts mature cells to an embryo-like state.
这项研究其实就是将成熟的细胞返祖，变成类似于胚胎状态的细胞。
The results showed that the callus initiation and plant regeneration were related to endogenous hormones of mature rice embryo and its derived callus.
结果表明，愈伤组织诱导率和植株再生与水稻的成熟胚及其愈伤组织的内源激素含量有关。
Normal embryoids could fully develop and mature through the process that was analogous to the differentiation of zygotic embryo.
正常胚状体可通过类似合子胚的分化或不规则发育过程而成熟。
The result showed that removing seed coats and full time of low temperature was precondition to gain success in early mature apricot embryo culture.
结果表明，剥去种皮与足够时间的低温处理是早熟杏胚培成功的先决条件；
The development of the onagrad type embryo consumes up the endosperm except ont layer that remains in the mature seed.
在胚的发育过程中，胚乳几乎被吸收耗尽，仅剩下一层胚乳细胞紧贴内种皮。
On the 18th day of embryo, there were PAS positive colloids in the follicle lumens and the mature thyroid follicles were formed.
滤泡腔内出现PAS反应阳性胶体，成熟的甲状腺滤泡结构基本形成。
On the 18th day of embryo, there were PAS positive colloids in the follicle lumens and the mature thyroid follicles were formed.
滤泡腔内出现PAS反应阳性胶体，成熟的甲状腺滤泡结构基本形成。
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