Fig. 5

Paw sections stained with Masson’s trichrome stained: A normal control group revealing dermal bundles of thin blue stained collagen fibers (red arrows) (×100). B Positive control group revealing focal collagen bundles (red arrow) (×100). C Standard drug group revealing a marked increase of collagen thickness (×100). D Endophytic fungi group (100 mg/kg) revealing mild increase of collagen thickness (×100). E Endophytic fungi group (200 mg/kg) revealing a moderate increase of collagen thickness (×100)