Research Article

Antihypertensive and Renal Protective Effects of Oryeongsan in Spontaneously Hypertensive Rats

Figure 4

Representative kidney samples of spontaneously hypertensive rats (SHR) treated with oryeongsan (a) and vehicle (b). The fibrotic area of the renal cortex is stained in bright blue color (arrows).
(a)
(b)