[名词解释] 稳定细胞(stable cell)

空洞(cavity) 胸痹的临床特点是 ["左胸部发作性憋闷","左胸部发作性疼痛","气短喘促","心痛彻背，背痛彻心","左胸部发作性憋闷、疼痛"] 瘢痕疙瘩(keloid) 胸痹与真心痛的不同点主要在于 ["病情程度不同","虚实属性不同","寒热病性不同","病程长短不同","好发年龄不同"] 骨折(fracture of bone) 稳定细胞(stable cell)