测量瘤重、计算瘤重抑制率、制病理切片，在光镜下观察肿瘤形态与改变。
Tumor weight was measured and the tumor growth inhibitory rate was calculated. Under light microscopy, the tumor morphological changes were observed.
在光镜下观察分析了阳性神经元的分布状况，并用图像分析系统进行半定量分析。
The distribution of neuropeptide Y(NPY) immunoreactive neurons were observed under light microscope, and analyzed by com-puter-assisted image analysis system.
方法选择32颗多生牙，在光镜下观察其切片及磨片的组织学结构并与正常牙对照。
Methods Slices from 32 supernumerary teeth were observed under light microscope and compared with normal teeth.
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