胚性细胞分裂产生两个细胞，进而分化发育成多细胞原胚、球形胚、心形胚及子叶胚。
Then embryogenic cell divided into two cells, which sequentially differentiated through multicell proembryo, globular, heart-shaped and cotyledonary embryo stages.
通过柑桔胚胎发育观察表明，授粉后50天左右，胚囊内仅有一个合子胚，未见珠心胚侵入胚囊，为单独分离合子胚培养的最好时期。
Observation of citrus embryo development showed that in 50 days or so after pollination there was only one zygotic embryo in the embryo sac, and nucellar embryo was not yet invaded.
制备相应含药血清，与血管内皮生长因子165蛋白比较观察从肝治心方对鸡胚尿囊膜模型的促血管生成作用。
Prepared serum containing corresponding drugs was used in chicken embryo allantoic membrane (CAM) model to observe the effect of angiogenesis of CGZXP by being compared with VEGF165 protein.
对珠心苗高接植株多年观察及品质鉴定，认为珠心胚植株在品质上表现较大差异。
After years of observation and assessment on the top-grafting plants of nucellus seedlings, considerable quality variations were found among nucellus embryo plants.
合点端的胚乳细胞则侵入合点珠心组织，为胚进一步发育提供营养。
With the embryo development, most of the endosperm degenerated, and the cells near chalaza entered the chalaza, digested it and further nourished the embryo.
MRI显示早早孕、早中期的卵黄囊、胚外体腔、羊膜囊及胎心搏动不如超声（P<0 .0 0 5 ） ；
Ultrasonography had great advantage over MRI in showing yolk sacs, amniotic sacs, extraembryonic coelom and embryocardia-beats ( P< 0.005).
当胚乳游离核达到1 6或32个时，最早的珠心胚原始细胞由靠近胚囊珠孔端的珠心细胞分化形成。
When the free nuclei of the endosperm were 16 or 32, the nucellar embryo initial (s) originated from the nucellar cells near the micropylar end of the embryo sac.
当胚乳游离核达到1 6或32个时，最早的珠心胚原始细胞由靠近胚囊珠孔端的珠心细胞分化形成。
When the free nuclei of the endosperm were 16 or 32, the nucellar embryo initial (s) originated from the nucellar cells near the micropylar end of the embryo sac.
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