珠孔由内珠被和腹侧外珠被构成。
The micropyle is formed with inner integuments and partial outer integument.
珠孔区域有伸长的珠心细胞。
There are several nucellar cells in micropylar region that develop into embellum.
在珠孔的更高处，我们也可能找到印迹。
请与珠孔的右侧作比较。
珠孔由内珠被形成。
球形胚晚期吸器自珠孔端向合点端逐渐细胞化。
The haustorium cellularizated from the micropylar end to chalazal end at the later globular stage.
胚乳发育为核型，珠孔端胚乳细胞化，合点端保持游离核状态。
The endosperm development follows the nuclear type. The endosperm cells form at the micropylar end, and remain free nuclear phase at chalazal end.
结果表明，倒生的棉花胚珠可以分为合点区、株柄顶区、腰区和珠孔区。
The results showed that ovule surface might bedivded into the chalazal zone, crest zone, middle zone and the micropylezone.
总结出了多孔玻璃微珠孔径的控制方法和提高多孔玻璃微珠的吸附量的有效方法。
At last, the effective means of control the aperture of porous glass microsphere as well as the means of increasing the adsorption amount of porous glass microsphere is proposed.
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 was one with five nucleus, i. e., egg apparatus and two-nucleus central cell.
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.
传粉后约周，珠心顶端破裂，分泌物进入珠孔道，并与珠被分泌物共同作用于花粉，使花粉向珠心移动。
About weeks after pollination, the tip cells of nucellus broke and secreted liquid into ovular canal, which promoted pollen movement to the nucellus and played important role for pollen germination.
传粉后约4周，珠心顶端破裂，分泌物进入珠孔道，并与珠被分泌物共同作用于花粉，使花粉向珠心移动。
About 4 weeks after pollination, the tip cells of nucellus broke and secreted liquid into ovular canal, which promoted pollen movement to the nucellus and played important role for pollen germination.
这种乳突组织与花柱内侧起柱头作用的乳突组织，以及珠柄上的珠柄珠孔塞的乳突组织相连续，成为一个整体。
The papilla tissue, the papilla on the style, which acts as stigma and the funicular obturator are united as a whole.
当胚发育到4—6个细胞时，在胚囊珠孔瑞的游离核之间先形成细胞壁。细胞壁的形成是以自由壁的方式从珠孔端到合点端自外向内进行。
The free cell wall formation occurs first in the micropylar end when the embryo is 4-6 celled stage, then to the chalazal end and the center.
当胚发育到4—6个细胞时，在胚囊珠孔瑞的游离核之间先形成细胞壁。细胞壁的形成是以自由壁的方式从珠孔端到合点端自外向内进行。
The free cell wall formation occurs first in the micropylar end when the embryo is 4-6 celled stage, then to the chalazal end and the center.
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