in le rats , however , i.v . pretreatment with the specific antagonist to the pressor effect of avp , d ( ch2 ) 5tyr ( me ) avp ( 10 micrograms/kg ) , attenuated the hypertensive and bradycardic effects of i.c.v . phenylephrine , while i.c.v . pretreatment with avp antagonist ( 300 ng/kg ) did not alter the cardiovascular response to i.c.v . alpha 1-agonist .
C0428977
bradycardic
C0007226
cardiovascular