A lot of vacuolus occurred in the cytoplasm of the cells . the nuclear membranes and cristae in mitochondria were disintegrated partially 中肠细胞内含有铅颗粒，细胞质出现空泡化，核膜和线粒体内嵴部分解体。
2.
There were copper granules in the cells of midgut . a lot of vacuolus occurred in the cytoplasm of the cells . the cristae in mitochondria were disintegrated partially and copper granules were absorbed into mitochondria 中肠细胞内也分布有铜颗粒，细胞质出现空泡化；线粒体内嵴部分解体，并有铜颗粒附着在线粒体上。
