High power of smooth muscle to show that eosinophilic color is mainly due to cytoplasm.Nuclei are quite scattered and have only small, granular clumps of blue heterochromatin.

• 高倍镜显示平滑肌的胞浆嗜酸性，细胞核散在，核内有细小的颗粒状的蓝色的异染色质。