前质 meaning in English
antenatal diagnosis
Examples
- The proplastids differentiate to form characteristic organelles such as amyloplasts, chloroplasts and chromoplasts .
前质体能分化成各具特点的细胞器，如淀粉体，叶绿体和有色体。 - Etioplast a modified chloroplast formed from proplastids in leaves grown in total darkness
白色体：叶在生长过程中完全置于黑暗条件下，由前质体形成的变化了的叶绿体。 - Proplastid a self - duplicating undifferentiated plastid , about 0 . 5 - 1 m in diameter and found in the meristematic regions of plants . they grow and develop into plastids of different types
前质体：能够自我复制的没有分化的质体，直径约0 . 5 - 1微米，发现于植物分生组织区域。它们生长发育为不同类型的质体。