The tubulo - vesicular elements were observed in both the young and old OBs.

 
  • (3)在年輕及年老的OBs中都可以觀(guān)察到管泡狀成分; (4)在年輕及年老OBs中,均發(fā)現與Golgi復合體及平滑內質(zhì)網(wǎng)(SER)有關(guān)的胞漿內小體;
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