Research Article

Antidepressant and Anxiolytic Effects and Subacute Toxicity of the Aerial Parts of Psychotria ankasensis J.B.Hall (Rubiaceae) in Murine Models

Figure 12

Heart of a rat that was orally administered 1,000 mg/kg methanolic extract Psychotria ankasensis daily for 28 days (H&E x100 (a), x400 (c)). The myocardium is normal, as are the intermuscular tissues. Heart of a control rat that was experimentally administered with the vehicle as a control (H&E x100 (b), x400 (d)). Myocardium and intercellular tissues have a normal structure.