Fig. 4From: Antioxidative defense and mitochondrial thermogenic response in brown adipose tissueImmunohistochemical UCP1 detection in IBAT of untreated, l-arginine- and l-NAME-treated rats acclimated to cold. Immunohistochemical detection of UCP1 was performed using specific antibody against UCP1. Magnification: ×40, orig. Scale bars—20 μmBack to article page