Fig. 4From: The potential role of herbal extract Wedelolactone for treating particle-induced osteolysis: an in vivo studyTRAP staining indicated that PS particles exist in the periosteal cells and multinucleated giant cells in mice calvarial tissue (a) (Magnification × 40 Scale bar: 100 μm). Different shapes of PS particles and melanin granules observed in TRAP staining. Arrow, PS particle; Arrow head, melanin granule (b) (Magnification × 100 Scale bar: 20 μm)Back to article page