The mature pollen grain is 2-cells and the tapetum is secretory type .

成熟花粉粒为二细胞型， 绒 毡 层为分泌绒 毡 层；

The relationship of tapetum with pollen activity and the low rate of reproduction in nature condition were discussed .

本文探讨了 绒 毡 层与花粉活力的关系，以及 半夏在自然情况下有性繁殖能力较低的原因。

With the electron microscope the results showed that there were unusually large vacuoles in tapetum and microspore mother cells and abnormal disintegration of the nucleus and organelles there was no ubisch bodies in the chamber . 3 .

电镜下观察，不育株 绒 毡 层和小孢子母细胞都先后出现异常大液泡，细胞核和细胞器等异常解体现象，而药室中始终没有乌氏体产生。

The anther is made up of an outer epidermis a middle fibrous layer and an inner nutritive layer the tapetum .

花药壁由外表皮层，中间纤维层，内部营养层和 绒 毡 层 构成。

Because they have what 's called tapetum .

因为兔子有所谓的 反光 组织。

Tapetum cells developed abnormally giantized and crammed the anther chamber ;

绒 毡 层细胞发育异常，出现巨型化而挤满整个药室；

At the stage of single nucleus pollen tapetum cells were showed to possess dense cytoplasm join with its conjoint cell with little space connect with middle cell closely and not disaggregate .

单核花粉粒时期， 绒 毡 层细胞质浓厚，细胞间间隙小，与中层细胞联系紧密，没有解体。

The anther wall is composed of 5-6 layer cells and the tapetum is glandular .

花药壁由5&6层细胞组成，腺 质 绒 毡 层。

Further observation on tapetum and pollen development in Watermelon

西瓜 绒 毡 层和花粉发育的进一步观察

Tapetum ( pl. tapeta ) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants .

绒 毡层：维管植物花粉囊内包围孢子母细胞的富含营养物质的一层结构。

Tapetum cell hyperplasia from the tetrad to the single nucleus early period .

绒 毡 层细胞在四分体&单核早期发生增生；

And later on the tapetum cells disintegrated one after another in different ways .

以后， 绒 毡 层细胞在不同的时间，以不同的形式解体。

The mature pollen grains were 3-celled and the tapetum belonged to the secretory type .

小孢子 绒 毡 层发育为腺质型，胞质分裂为同时型，成熟花粉为3细胞型。

The abnormality of tetrad callose wall degradation and tapetum development was associated with the abortion of microspore .

导致小孢子败育的原因与四分体胼胝质壁不适时解体和 绒 毡 层细胞发育异常、 延迟解体有关。

Tapetal layer of blue honeysuckle belongs to amoeboid tapetum . 3 .

蓝果忍冬绒 毡层为变形 绒毡层。

Male-sterility mainly results from the abnormality of mesospore tapetum tissue and vascular bundle .

中层组织、 绒 毡 层组织及药隔维管束异常均是雄性败育的因素。

Gynospore sac consisted of epidermis middle layer tapetum and sporogenous tissue .

小孢子囊由表皮、中间层、 绒 毡 层和造孢组织组成。

Effect of the somatic tissue ( tapetum and anther wall ) on DNA synthesis by pollen was also discussed .

讨论了花药体细胞组织& 绒 毡 层和药内壁对花粉核DNA合成的影响。

Programmed cell death ( PCD ) during tapetum degeneration in postmeiotic anthers is critical for the proper development of male gametophytes in flowering plants .

对显花植物而言，花粉 囊 绒 毡 层细胞程序化死亡（PCD）对减数分裂后雄胚子的正常发育是十分关键的。

The features of structure of anther wall are of one meddle layer and glandular tapetum .

药壁的结构特点为一层中层和腺 质 绒 毡 层。

The tapetum is of the glandular type of two cell nuclei .

腺质 绒 毡 层，细胞具二核；

Tapetum belong the secretory type .

绒 毡 层属腺 质型。

There is relativity between the early stage tapetum cell disintegrated and the abortion of male gametophyte .

绒 毡 层早期萎缩与雄配子体败育相关；

Like the wide-eyed tarsier night monkeys also lack a tapetum lucidum .

像大眼眼镜猴一样， 夜猴也没有反光膜。

In flowering plants tapetum plays an important role in pollen development .

高等开花植物的 花药 绒 毡 层在花粉发育中发挥十分重要作用。

Abnormal meiosis of pollen mother cells and deferred de-generation of tapetum cells are the chief causes of abortive pollen .

减数分裂异常和 绒 毡 层细胞延迟退化是导致花粉败育的主要因素。

The tapetum in the anther wall of white cucumber was developed as well as that of green cucumber .

与青皮黄瓜相比，白皮黄瓜花药壁中 绒 毡 层的发育是正常的。