Fig. 3

Pathological morphology between control group and L-NAME group. (A) (C) The microscopic structure of the control group; (B) (D) The microscopic structure of the L-NAME group; The control and the L-NAME group showed a significant structural difference in the rat labyrinth zone. (A) (B) Magnification: 400×; (C) (D) Magnification: 200×.