查询词典 embryo sac

Methods Chicken embryo allantois membrane was used in the experiment. Breast cancer cells were inoculated on the superior surface of CAM sac, then the vascular tissues were collected in lower sac after incubation.

通过鸡胚尿囊绒膜实验和骨条黏附实验确定BSP的高稳定表达对乳腺癌细胞血管侵袭能力及骨条黏附能力的影响。

An embryo at the stage following the blastula, consisting of a hollow, two-layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blastopore.

原肠胚一种囊胚之后的胚胎，含有中空、两层的外胚层和内胚层，包围着通过胚孔跟外界交流的原肠

The results showed:(1) the cellule morphous and the disposition in chick embryo of PGCs were coincident no matter stained by PAS or HE staining, and HE staining could disclose the morphologic characteristics more clearly, exactly and completely;(2) genesis of blood island could be observed at the boundary of light and dark region of the extraembryonic blastoderm at about 26 hours;(3) both the blood vessel endothelium cells and free cells of the blood island were differentiated from PGCs. The generating of genuine yolk sac was at about 44-48 hours.

结果表明：①用经典的识别原生殖细胞的PAS染色方法与HE染色所观察到的PGC在鸡胚的分布及细胞形态基本一致，而HE染色较PAS法能更有助于清晰、完整、准确地识别PGC的细胞内部结构特征；②在孵化26小时的鸡胚胚外胚盘的明暗交界处可见血岛的发生，血岛发生的时间比真正的卵黄囊产生时间（大约44-48小时）要早很多；③血岛周围的血管内皮细胞与管腔中游离细胞都来自PGC。

We find that the external appearance of the embryo and its sac s during the alaqah stage is similar to that of a blood clot.

我们发现胚胎在血块阶段的外观和囊袋很像一块凝血。

The neural embryo development and yolk sac larval morphological development of E. septemfasciatus was investigated.

本实验对七带石斑鱼胚体、卵黄囊期仔鱼形态发育的过程进行观察，研究其发育特征。

The ovary of Phyllostachys praecox had one anatropous ovule. The crassinucellate ovule had diploid integuments. The monosporic embryo sac had one tetrad which turned on line and many antipodal cells. The synergid had the obvious filiform appratus.

3雷竹子房1室，内具1个倒生胚珠；双珠被，厚珠心；蓼型胚囊，单孢发育，线形大孢子四分体，具多个反足细胞，助细胞具明显丝状器。

Monosomic 3, monosomic 5, monosomic 10, trisomic 4 and trisomic 5 as experiment materials, their meiosis behavior of pollen mother cell, pollen characteristics, physiological and biochemical characteristics of anther, section observation of pollen development and the structure of embryo sac were studied, and the effects on the seed set and transmission rate were analyzed.

本文以大白菜同源四倍体小孢子培养产生的且已鉴定为3号单体、5号单体、10号单体、4号初级三体、5号初级三体的非整倍体株系及二倍体株系等为试材，对各材料的结籽率、雄配子传递率进行了统计，并对花粉母细胞减数分裂行为、花粉特性、花粉发育和胚囊结构以及花药生理生化特性等方面进行了观察研究，进而分析了其对大白菜单体n-1雄配子和三体n+1雄配子传递率的影响。

Observations on intact transparent ovaries under inverted differential interference microscope showed that the antipodal cells in the embryo sac disappeared at 4 days after pollination.

用粳稻84_15与水稻喜峰杂交，在杂种第二代选育出中新一号比秋光增产11%，已种植F10代农艺性状保持一致。

In the"poly-egg apparatus embryo sac",three egg-apparatuses are the majority which canbe further divided into three subtypes,namely,"5-2-1"type,"6-2-0"type and"5-3-0"type,based on the position of antipodal cell.

三卵卵器结构胚囊&依反足细胞的位置又可分出&5-2-1&型、&6-2-0&型和&5-3-0&型等三种亚类型。&

Uterine cross-section diameter of 4.8cm × 3.9 cm × 3.9 cm, increased intra-uterine pregnancy sac see the size of 1.3 cm * 0.9 cm * 1.6 cm, intracapsular see yolk sac, no embryo and fetal heart throb teeth.

子宫切面内径4.8cm×3.9㎝×3.9㎝，增大子宫内见妊娠囊大小1.3㎝*0.9㎝*1.6㎝，囊内见卵黄囊，未见胚牙及胎心搏动。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。