The archesporial cell is formed when the alabastrum length reaches 0. 5 cm or so and the macrosporocyte develops from the archesporial cell directly.

  • 金针菜的孢原细胞在花蕾长0.5cm左右时形成,孢原细胞直接发育为大孢子母细胞。

  • 互联网摘选 2025-01-19 23:54:20

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句