Fig. 3.
Log dose-response effects of testosterone (TES) infusion on mean arterial blood pressure (MAP) in conscious, unrestrained, chronically catheterized, ganglion-blocked testicular-feminized (Tfm, n = 7) and Sprague-Dawley (S-D; n = 8) male rats (0.375–6.00 μmol·kg−1·min−1 iv; 0.15 ml·kg−1·min−1). Data points are means ± SE. MAP differed significantly with a dose of TES in both Tfm (P = 0.018) and SD (P = 0.0009) rats. Effects of TES on MAP did not differ between SD and Tfm rats at all doses (0.054 ≤ P ≤ 0.486).