花药壁由外表皮层，中间纤维层，内部营养层和绒毡层构成。
The anther is made up of an outer epidermis, a middle fibrous layer, and an inner nutritive layer, the tapetum.
结合细胞形态学观察，药壁组织的绒毡层的发育与解体状况和花粉育性、氨基酸代谢有着密切关系。
Combining cell morphology, the growth and decline state of tapetum in anther wall tissue are closely related with pollen fertility and amino acid metabolism.
四分体时期，绒毡层细胞内部结构开始解体。
In tetrad stage, the structures of tapetal cells begin to dissociate.
天竺葵的绒毡层属周原质团绒毡层，其原生质体侵入药室的时间发生在小孢子中大液泡开始形成的时期。
The tapetum of P. hortorum belongs to periplasmodial tapetum. The invasion into the locule occurs when microspore form large vacuole in its cytoplasm.
绒毡层的提前解体导致不育系花药的中层细胞不退化，为证明中层为绒毡层供给营养的假说提供了证据。
The middle layer cell won't degenerate when the tapetum disintegrates prematurely, This proves the hypothesis that the middle layer cells offer nutrients for the tapetum.
绒毡层为分泌型。
绒毡层属于周原质团型。
对绒毡层解体过程孢粉素行为的有关事态及其与花粉发育的关系等问题进行了讨论。
The events of sporopollenin behavior during the process of tapetal disintegration and their relations to pollen development are discussed.
绒毡层过早退化；
当花粉成熟时，绒毡层细胞完全解体。
Tapetal cells degenerate completely when pollen grains reach maturity.
小孢子壁形成时开始在绒毡层内切线壁出现的球状体到花粉粒成熟时仍有一部分附着于花粉粒表面。
The ubisch bodies which appeared on the inner tangential wall of the tapetum at the time of microspore wall formation are partially remain on the surface of matured pollen grain.
绒毡层细胞仲入小孢子母细胞之间形成“小梁”。
The tapetal cells invest in the sporogenous tissue and form "the Balken".
珠被内层细胞特化为珠被绒毡层。
Inner cells in the integument differentiated into integument tapeta.
花药绒毡层属腺质绒毡层类型。
太谷麦不育株花药绒毡层细胞的发育进程和亚显微结构与可育株有明显的不同。
The ultrastructure of the tapetal layer in male sterile form showed a significantly different feature from that of the fertile form.
成熟胚囊被珠被绒毡县包围，由卵器、具次生核的中央细胞以及数目为1至6个反足细胞组成。
The mature embryo sac is surrounded by en lothelium tapetum. It is composed or an egg apparatus, one central cell with secondary nucleus, and 1—6 antipodal cells.
当花粉母细胞进行减数分裂时，花药绒毡层细胞和花粉母细胞中出现了许多的细小钙颗粒。
When microspore mother cell preparing meiosis, abundant calcium precipitates appeared in cytoplasm of tapetal cells and microspore mother cells, and in callus wall surrounding the cells.
扁豆绒毡层发育的超微结构研究。
Studies on ultrastructure of tapetal development in Dolichos lablab l.
不育系绒毡层细胞比可育系迟解体。
The tapetal cells of fertile line disintegrated earlier than those of sterile line.
药壁的结构特点为一层中层和腺质绒毡层。
The features of structure of anther wall are of one meddle layer and glandular tapetum.
绒毡层细胞始终含丰富的DNA、RNA、蛋白质。
单倍体花粉细胞由绒毡层提供营养发育。
The haploid pollen cells develop in the tapetal zone from spore mother cells.
绒毡层细胞为腺质，二核。
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 (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
最内层的绒毡层细胞在小孢子时期开始解体，细胞质转变为脂滴，供花粉吸收。
The tapetal cells degenerated at microspore stage and its cytoplasm transform into lipids for the microspore absorbing.
大胞子四分体线形排列，合点端大孢子为功能大孢子，胚囊发育类型为蓼型，具有特化的珠被绒毡层和承珠盘。
Megaspore tetrad is linear. the chalazal megaspore develops into an embryo sac of polygonum type. Hypostase and special integument tapetum exist in the ovule.
空囊产生的主要途径：①四分体至单核早期绒毡层细胞体积发生明显的增大、液化；
The main pathways of causing empty anther sacs are obvious enlargement and liquidization of tapetum cells from tetrad to slope nucleus early period;
绒毡层属腺质型。
绒毡层属腺质型。
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