proplastid
- 网络原质体;前质体;由前质体

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During the dedifferentiation of the explant of the Camptotheca acuminata leaves , the number of starches accumulated in the chloroplast , the chloroplast formed proplastid buds and proplastid , which was considered the intermediate stage of the mesophyll cells dedifferentiation .
愈伤组织形成过程中,叶绿体中积累大量淀粉,产生原质体芽和原质体,是叶肉细胞脱分化过程的中间演变阶段。
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Fine fibrils of proplastid were observed in electronic less dense region .
在电子密度低的区域能观察到前质体的纤维丝。