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Immunostaining of neuropeptides W (NPW) and GPR7 in the growth plates of mouse hind limb joints. A, No signal was detected when the joints were incubated without primary antibodies. B, Immunostaining results for NPW in joints at high magnification, arrows mark examples of NPW‐positive chondrocytes. Immunostaining results for GPR7 in the joints are shown at high (C) and low (D) magnification, arrows denote examples of GPR7‐positive chondrocytes. D, Box indicates areas enlarged in (C)
