Research Article

Protective and Ameliorative Effects of Hydroethanolic Extract of Piper nigrum (L.) Stem against Antiretroviral Therapy-Induced Hepatotoxicity and Dyslipidemia in Wistar Rats

Figure 7

Photomicrographs of the liver (X250); hematoxylin-eosin staining. (a) Normal control; (b) negative control batch; (c) positive control; (d–f) groups receiving the extract at the respective doses of 200, 400, and 800 mg/kg; Vp = hepatic portal vein; He = hepatocyte; Cs = capillary sinusoid; Cb = bile canaliculus; Il = leukocyte infiltration.