Serotonin immunostaining in brain of fluoride treated mice for 42 wks, showed increased serotonin immunostaining, in particular, in the region of the paraventricular thalamic nucleus (PVN). A) control mice, with a magnified view of the region of the PVT shown in C. B) fluoride treated mice with magnified view of the PVT shown D.
Scale bars A,B = 100 μM; C,D = 50 μM