Safety Evaluation of the Polyherbal Formulation NawaTab: Acute and Subacute Oral Toxicity Studies in Rats

Figure 4

Light micrographs of renal cortex showing the normal glomerulus (G) enveloped by Bowman’s capsule (arrowhead), proximal (P), and distal (D) tubules for all experimental groups. (a) Control, (b) 250, (c) 500, and (d) 1000 mg/kg BW of NawaTab. Light micrographs of the renal medulla showing normal structure of renal tubules including distal tubules (D), thin segment of Henle’s loop (T), and collecting tubules (C) for all experimental groups. (e) Control, (f) 250, (g) 500, and (h) 1000 mg/kg BW of NawaTab.