Fig. 5
From: Pharmacodynamics, toxicology and toxicokinetics of ropivacaine oil delivery depot
Histopathology of the injection site of RODD. A: saline group; B: solvent group; C: RODD 300 mg/kg group on the 3th day after administration. D: solvent group; E: RODD 300 mg/kg group on the 14th day after administration, showed a recovery trend, but still had inflammatory cell infiltration, granulation tissue formation/fibrosis. The arrows showed inflammatory cell infiltration. Bar = 100 μm