Abstract
Houpt, T. A., E. S. Corp and R. A. Berlin. Intracerebroventricular angiotensin II increases intraoral intake of water in rats. Peptides 19(1) 171–173, 1998.—Ad lib and intraoral intake tests can separate the effects of drugs on the appetitive and consummatory phases of ingestive behavior. Central angiotensin II increases ad lib intake from water bottles, but its effect on intraoral intake has not been examined. Rats with both lateral intracerebroventricular (ICV) cannulas and intraoral catheters were given angiotensin II (100 ng/5 μl ICV) followed by a 10-min intraoral infusion of water. Angiotensin II increased intraoral intake and increased ad lib water intake from bottles after the intraoral test. Thus angiotensin II increases water intake during both appetitive and consummatory phases of drinking.
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