Poly-ε-Caprolactone Microsphere Polymers Containing Usnic Acid: Acute Toxicity and Anti-Inflammatory Activity

Figure 1

Kidney sections of (a) control, (b) UA-micro (2000 mg/kg; p.o.), (c) UA (2000 mg/kg; p.o.), (d) UA (300 mg/kg; p.o.), and (e) UA (50 mg/kg; p.o.). RC: renal corpuscle; CS: capsular space; LI: leukocytes infiltrate; CT: convoluted tubules; G: glomerulus; CV: cytoplasmic vacuolation; NA: nuclear acidophilia (×400 magnification).

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