The proliferative internal membrane was proved to be muscle cells with Massonstain and Van gieeon's stain.
经马范氏染色证实，中央动脉增生血管壁为肌性细胞。
2
Histochemical stain (he and MASSON) was used to check and define the pathological stage of fibrosis of the specimen tissue, and observe the distribution of collagen under the light microscope.