查询词典 tapetum

In Situ hybridization showed that OsUBP1 mRNA expressed in the tapetum, pollen grains, macrospore sac and the vascular bundle at the bottom of spikelets.

原位杂交分析表明，在花中OsUBP1 mRNA主要在药壁绒毡层、花粉粒、大孢子囊和颖花底部维管束中表达。

Paeoniaceae,a monomarphic family,has distinctive characters for its phylogeny in Angiosperm,such as:both of tapetum and microspore mother cell are homologous,and so are nucellus cell and macrospore mother cell;there are many macrospore mother cells.

芍药科Paeoniaceae为单属科，其系统发育具有一系列的独特性，在被子植物中是独一无二的。

In addition, cats and some other nocturnal animals have a mirrorlike membrane, the tapetum, on the back of their eyes, which reflects the light passing through the rods back through them in the opposite direction.

另外，猫以及其他一些夜行动物在其眼睛后部有一个镜子似的膜—照膜反光组织。薄膜能够把穿过视杆细胞的光线反射到相反的方向。

Many structural changes took place at the beginning of tapetum cell degeneration.

精细胞与不规则形状的营养核存在空间上的物理联结。

With the development of tapetum the MNS undergo a regular process of origination, development and degeneration.

这种内质网高度有序并纵横交织的网格结构以及数量之多是植物细胞中罕见的。

It is deduced that the abnormal development of tapetum and the abnormal distribution of Ca(superscript 2+) are related to the pollen abortion.

推测绒毡层细胞结构发育的异常和Ca(上标 2+)的异常分布可能与花粉的败育有关。

Therefore, the main cause of pollen abortion was the tapetum disintegration delay.

因此，绒毡层延迟解体是萍乡显性核不育水稻不育株败育的主要原因。

It was speculated that the sterility of the RNMS line was related to the delay of tapetum cells breaking down.

因此，四川隐性核不育是绒毡层降解延迟导致小孢子解体而发生的无花粉雄性不育。

The tapetum cell of normal anther begin to disintegrate after the formation of tetrad.

正常花药的绒毡层细胞在四分孢子形成之后开始解体。

There is a tapetum which reflects light of hyaline layer between the chorioidea and pigament epithelium.

脉络膜毯是脉络膜和色素上皮之间的折射透明层，为动物适应弱光下增进视力的装置。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。