Fig. 6From: TNF-α - mediated peripheral and central inflammation are associated with increased incidence of PND in acute postoperative painC-fos expression in CA1 regions and mPFC of rats in each group on POD2. Representable image of c-fos(+) expression in CA1 regions and mPFC. Magnification: × 400 times. b, c Represent the relative quantification of c-FOS protein expression in CA1 regions and mPFC. All values are expressed as means ±SD, n = 5 per group, * p < 0.05Back to article page