Methods The samples of non traumatic osteonecrotic femoral heads was used to detect the apoptosis of osteocytes and marrow cells by means of the methyl green pyronin staining and TUNEL labeling.

• 方法通过对激素性和酒精性股骨头坏死骨标本行甲基绿派诺宁染色及TUNEL标记法,研究骨细胞及骨髓细胞凋亡情况。