The results showed that the cells had classic characteristics of osteoclasts: multinucleated giant cells, staining positively for TRAP in cells, forming bone absorptive lacunae on the bone slices.

• 结果表明，直接分离的细胞具有典型的破骨细胞的形态特点：属多核大细胞，TRAP染色阳性，能在骨片表面形成吸收陷窝。