microsporangiate

microsporangiate

1. Dianema microsporangium

n. 小囊散丝菌

2. Studies on the development of tapetum and middle layer of microsporangium in Platycladus orientalis

侧柏小孢子囊壁绒毡层和中层细胞的发育

3. their cellose wall is not the same think,the cells of microsporangium have short of starch grains;

其细胞壁厚薄不均，在其小孢子囊发育过程中，细胞内淀粉粒缺乏或异常；

4. At microsporogenous tissue stage, the microsporangium wall could be recognized as epidermis, middle layer and tapetum from outside to inner.

在孢原组织时期，小孢子囊壁由外而内分别为表皮层、中介层与营养层。

5. Microsporangium in the development of pollen, that is, pre-hung gametophyte.

在小孢子囊中发育的花粉粒，即前期的雄配子体。

6. in the early stage,the callose wall of microsporangium is thinner than that of the male fertile plant,it emits weaker flourescence;

在早期，其胼胝质壁较可育株的薄，发出的荧光较弱；

7. There is a sporogenous cell in the every microsporangium and there are a line of cells in the vertical section.

在花药横切面上，每室一个造孢细胞，在纵切面上，造孢细胞排成一纵列。

8. CHANGE OF CALLOSE WALL AND SPRO-POLLENIN OF MICROSPORANGIUM ABORTION IN CUNNINGHAMIA LANCEOLATA

杉木小孢子囊败育过程中的胼胝质壁和孢粉素的消长

9. The mature microspore or developing male gametophyte of a seed plant, produced in the microsporangium of a gymnosperm or in the anther of an angiosperm.

花粉 Pollen 由裸子植物的小孢子囊或被子植物的花粉产生的成熟小孢子或正在发育的雄配子体。

10. It was found that callose appears in microsporangium at the microspore mother cell formation stage.

随后胼胝质在小孢子母细胞中央开始沉积，并向四周扩展形成第1个赤道板，随后形成第2个赤道板；

11. microsporangiate flower

雄花

12. The present paper firstly reports the development of microsporangium,male gametophyte,megasporogenesis,female gametophyte and embryogeny in Swertia erythrosticta Maxim.

首次报道了红直獐牙菜大小孢子发生、雌雄配子体形成和胚胎发育过程。