He stain, toluidine blue Dyeing and immunohistochemistry test were performed to observe the histomorphology.
行he染色、甲苯胺蓝染色及免疫组化进行组织形态学观察。
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Methods: to research the effects of prenatal cocaine exposure on spatial resolution in the water maze test and observe the development of frontal cortex and hippocampus by toluidine blue staining.