Fig. 4

Representative photomicrographs of PV immuno-reactivity in the hippocampal CA1 (A) and CA3 (B), and the estimation of PV + neurons in the hippocampal CA1 (C) and CA3 (D) of Male and Female Wistar rats exposed to corn oil (control), low dose (2 mg/kg) and high dose (4 mg/kg) of λ-cyhalothrin respectively (*, **, ***=p < 0.005). Rabbit polyclonal PV antibody (Novus Biologicals, USA, NB120-11427) at 1:1000; X400, 25 μm