cell tetrad
常见例句
- Microtubule bundles in the tetrad cell radiated from the nucleus.
在细胞质存在一个疏松的微管束网络。 - The megaspore mother cell undergone meiotic divisions and developed into a linear type of tetrads. The chalazal megaspore of the tetrad was functional.
大孢子母细胞减数分裂形成线形四分体， 合点端大孢子为功能大孢子， 胚囊发育类型为蓼型。
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