intracerebroventricular ( i.c.v . ) injection of hemicholinium-3 ( hc-3 ; 20 micrograms ) , which depletes acetylcholine stores in brain , reduced the increase in mean arterial pressure ( map ) and the drinking , but not the decrease in heart rate ( hr ) , induced by intraventricular injection of angiotensin ii ( ang ii , 50 and 100 ng ) in conscious rats .
C0006104
brain
C0234421
conscious