Fig. 2From: An enhanced expression of hypothalamic neuronal nitric oxide synthase in a rat model of simulated transport stressEffect of simulated transport stress on the content of serum CORT and NE in rats. Control and Stress stand for the control group and simulated transport stress group, respectively. Effect of simulated transport stress on the content of serum CORT (a) and serum NE (b). Data are presented as mean ± SD (n = 12 rats per group). Comparisons between the groups were analyzed using Student’s t-tests. * stands for the comparison between the control group and simulated transport stress group (P < 0.05)Back to article page