Fig. 3
From: Role of PI3K in the bone resorption of apical periodontitis
Osteoclast induction and identification. A a and b, RAW264.7 cells after 0 and 5 days of induction, viewed under a light microscope (×200); c and d, TRAP staining of RAW264.7 cells at 0 and 5 days of induction (×200); B Acp5 mRNA expression of RAW264.7 cells at 0 and 5 days of induction.*P = 0.0009. 40× original magnification