Abstract
Intracerebroventricular administration of fragments of [arginine8]-vasopressin (AVP) such as AVP1–6 and AVP7–9 attenuated the pressor response evoked by electrical stimulation of the mesencephalic reticular formation in urethane-anaesthetized rats. Oxytocin (OXT) and the fragment OXT7–9 were also active, although OXT1–6 did not affect the pressor response. These peptides did not influence
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