Effect of naringenin on Cadmium-induced kidney injury in rats. Rats were treated with Cd an/or Nar for 4 weeks. A1 and A2, the control group showing normal renal tissue structure, and structures such as glomerulus, renal tubule and renal cortex were clearly visible. B1 and B2, the Cd-treated group showing that renal glomerular cells atrophy, the structure of renal tubules was severely  damaged, epithelial cells were disordered and degenerated, inflammatory cells infiltrated, interstitial congestion, and extensive lesions occurred: Cells are exfoliated and necrotic and interstitial fibrosis, cells are destroyed, and cell membrane boundaries are blurred; C1 and C2, the Nar-treated group showing normal kidney structure; D1 and D2, the kidney structure of the rats in the Cd+ Nar-treated group was basically normal.

Stain: H&E.