embryonary sac

英 美
  • 胚囊
  • sac n.囊;液囊
    1. Abnormal development was observed at tetrad and mature embryo sac.
      在四分体和成熟胚囊时期观察到了异常发育现象。
    2. Starch grains present in the embryo sac and placenta are utilized by the embryo.
      存在于胚囊和胎座中的淀粉粒为胚胎所利用。