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Histological changes in edema paws 5 h after injection of carrageenan. Paws were harvested 5 h after injection of carrageenan and subjected to histochemical staining of paw tissues. (A) Saline control group; (B) Carrageenan model group; (C) 4 mg/kg of 4-MCPC-treated group; (D) 8 mg/kg of 4-MCPC-treated group; (E) 16 mg/kg of 4-MCPC-treated group; and (F) 16 mg/kg of muscone-treated group; magnification ×20.
