| 单词 | Archesporium |
| 例句 | 1. The female archesporium differentiates from the single cell under the epidermis of nucellus. 2. A single archesporium differentiates immediately below the nucellar epidermis, it functions directly as the megaspore mother cell. 3. Multicellular archesporium and double embryo sac formed in an ovary. 4. The female archesporium differentiates from many cells under the subhypodermis of nucellus. 5. The archesporial cells differentiated from single archesporium , the meiosis of microspore mother cells were continuous type and tetrads were tetrahedral. 6. The megaspore archesporium splits circumference, it circumferential edge cell and a sporogenous cell. 7. Megasporogenesis and Female Gametogenesis: Archesporium is of one cell, it directly functions as macrospore mother cell. 8. A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell. 9. The archesporium is divided into a parietal cell and a sporogenous cell, by the periclinal division. |
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