Fig. 1From: Arthritis-associated osteoclastogenic macrophage, AtoM, as a key player in pathological bone erosionThe mechanism of the two-photon microscopy. Two-photon excitation is considered extremely difficult to occur, and excitation zones occur on the focus plane only. Therefore, a two-photon microscopy can bring a high spatial resolution, low phototoxicity, and low invasivenessBack to article page