There were abundant mitochondria, rough surfaced endoplasmic reticulum and ribosome.
胞质内有丰富的线粒体、粗面内质网、核糖体。
The mitochondria of oocytes and cumulus cells in high and medial dose groups swelling and vacuolar degeneration, but rough surfaced endoplasmic reticulum (RER) were normal and abundance.
电镜下观察可见：甲醛的中、高剂量组卵母细胞崩解液化，周边的卵丘细胞内线粒体肿胀及空泡变；
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