Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
维管植物囊内包围孢子母细胞
富含营养物质
一层结
。
Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
维管植物囊内包围孢子母细胞
富含营养物质
一层结
。
Pollen mother cells undergo meioses through simultaneous cytokinesis and give rise to tetrads of microspores, which are tetrahedrally arranged.
母细胞行减数分裂,细胞质分裂属同时型,产生
孢子四分
,为四面
形。
There are a lot of sporule mother cells in every sporangium, they are respective via meiosis hind, produce the sporule of 4 monoploid.
个孢子囊中有许多
孢子母细胞,它们各自经减数分裂后,产生四个单倍
孢子。
Chromosome 12 of pollen mother cell of japonica trisomic rice (Oryza sativa L.) was successfully isolated using microglassneedles under the micromanipulator in this study.
首次以粳稻第12号三为材料,采用玻璃针染色
微分离法,成功地分离到了水稻第12号染色
。
One inclusion formed somewhat later exterior to the exosporium. Another inclusion was formed within the exosporium and remained with the spore after mother cell lysis.
当芽胞形成细胞裂解后,一种晶被释放出来,形成自由
伴胞晶
,另一种在芽胞外壁内侧形成,成熟后被包裹在芽胞外壁以内不脱落,始终和芽胞粘连在一起。
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