endoplasmic reticulum cisterna
8.There were lysosomes and endoplasmic reticulum in endoplasm, but it lacked Golgi body and mitochondria.
9.the volume density of mitochondria,rough endoplasmic reticulum and ribosome tended upwards obviously,and the volume density of smooth endoplasmic reticulum,Golgi complex and lysosome tended upwards to various degrees,too.

