Fig. 5From: Effect of hydroalcoholic seed extract of Nigella sativa on hepatic and pancreatic factors of Nrf2 and FGF21 in the regulation of insulin transcription factors of MafA and PDX-1 in streptozotocin-treated diabetic ratsMorphological assessment of pancreatic tissue; H&E staining. Magnification × 100 and × 400. A Normal control group with the normal tissue structure; B Diabetic control group with vacuolated cells, inflamed appearance, and reduced cell density; C HENS-200 group with a slight decrease in cell density and inflammation in the islets of Langerhans; D HENS-400 group with normal cell size and histological structureBack to article page