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. 2008 Jul;295(1):R155–R165. doi: 10.1152/ajpregu.00606.2007

Fig. 5.

Fig. 5.

Effects of microinjection of muscimol (80 pmol) or losartan (20 ng) into the MnPO on initial hemodynamic responses to cold stress (startle). Hemodynamic responses are shown for vascular responders and mixed responders following cold stress alone and for cold stress following muscimol pretreatment. #Significant differences (P < 0.05) between vascular and mixed responders exist in the control MAP, CO, SVR, and SV responses to startle. *Muscimol pretreatment produced significant differences (P < 0.05) among vascular responders in MAP, CO, and SVR after cold stress; and losartan pretreatment produced significant differences (P < 0.05) among vascular responders in CO, SVR, and SV after cold stress. Neither drug produced significant differences in heart rate changes.