pollen tube

美 
英 
  • n.花粉管
  • 网络花粉管法；原叶细胞

权威英汉双解

英汉

英英

网络释义

pollen tube
n.
1.
花粉管a tube that grows when pollen lands on the stigma(= a part of the female organ) of a flower to carry the male cell to the ovule(= the part that contains the female cell)

例句

释义:
全部全部,花粉管花粉管,花粉管法花粉管法,原叶细胞原叶细胞
类别:全部全部,口语口语,书面语书面语,标题标题,技术技术
来源:全部全部,字典字典,网络网络
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1.
Since the transgenic technology of pollen tube pathway method was formally established, it has been widely used in crop genetic improvement.
中国学者创立花粉管通道法转基因技术以来，在多种农作物分子育种中得到应用。
www.magsci.net
2.
The total DNA of sorghum was introduced into maize inbred lines 4112 and 8902 by means of pollen tube pathway technique.
本研究通过花粉管通道导入技术将甜高粱总DNA导入优良玉米自交系4112和8902中，并应用RAPD标记技术从导入后代中筛选出变异后代。
www.ceps.com.tw
3.
The pollen tube may grow down the stylar canal, or it may secrete enzymes that digest the tissue of style, creating a path for the tube.
花粉管可能沿着花柱道向下生长，也可能分泌消化酶分解花柱组织，为花粉管创造一个通道。
plb.snnu.edu.cn
4.
In gametophytic recognition, ribosomal RNA at the tip of the pollen tube is probably recognized by this protein in the style and disabled.
在配子体识别系统中，花粉管顶端的核糖体RNA可能被花柱内的这种蛋白质识别而使之失活。
jxzy.lynu.edu.cn
5.
In a gametophytic interaction, the pollen germinates and the growing pollen tube is recognized by the female plant, normally in the style.
在配子体相互作用中，花粉萌发后，通常雌株在花柱中识别生长的花粉管。
jxzy.lynu.edu.cn
6.
Enhanced vesicle trafficking is also essential for pollen tube elongation as many molecules must be translocated to the growing tip.
此外，花粉管的延伸，也需要囊泡将细胞壁的组成分子传送到生长尖端。
ir.lib.ncu.edu.tw
7.
Germination of the pollen grain to give the pollen tube usually takes place only when the pollen is compatible with the stigma tissue.
只有当花粉与柱头组织相一致时，花粉粒才会萌发，产生花粉管。
plb.snnu.edu.cn
8.
This indicated that, donor DNA fragment had inserted into receptor through pollen tube, and affected the expression of genes in receptors.
表明供体DNA片段已通过花粉管通道进入受体，并对受体基因的表达产生影响。
www.ceps.com.tw
9.
Generative cell One of the haploid cells in the POLLEN TUBE of seed plants.
是位于种子植物花粉管中的一个单倍体细胞。
plb.snnu.edu.cn
10.
minute opening in the wall of an ovule through which the pollen tube enters.
卵子表面上使花粉管穿入的小口。
ezitong.com