在次生造孢细胞、花粉母细胞和小孢子后期都有液泡数量明显增加或体积增大的过程。
At the late stage of the sporogenous cells, mother pollen cells and microspores, the vacuoles remarkably increased in quantity or size.
大孢子和雌配子体发生：孢原为一个细胞，它直接起大孢子母细胞功能。
Megasporogenesis and Female Gametogenesis: Archesporium is of one cell, it directly functions as macrospore mother cell.
马铃薯花药中的造孢细胞产生3 ~4层时，进而变成小孢子母细胞。
When sporogenous cells in potato anther produced 3-4 layers they became microsporocytes.
结果表明，1晋a不育系雄性败育的主要时期是在造孢细胞增殖——小孢子母细胞形成时期。
The results showed that: (1) the auxocyte abortion of Jin a took place at the stage of sporogenous cell division.
最近德国微生物学家发现在酵母细胞内小的活动细菌（孢内共生物）。
More recently a German microbiologist discovered small mobile bacteria inside the yeast cells (endosymbionts).
花分化过程中，外源乙烯诱导小孢子败育起始于造孢细胞至小孢子母细胞时期。
In the process of litchi flower differentiation, the microspore abortion induced by external ethylene starts from the transition period (from sporogenous cells to microsporocytes).
大孢子的发育及胚囊的形成：造孢时期，造孢细胞发育成大孢子母细胞。
Development of megaspore and formation of embryo sac: the ovule has a layer of parietal cells at the sporogenous stage.
大孢子的发育及胚囊的形成：造孢时期，造孢细胞发育成大孢子母细胞。
Development of megaspore and formation of embryo sac: the ovule has a layer of parietal cells at the sporogenous stage.
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