pentobarbital anesthesia removed cortical perception of nociceptive stimulation , reduced the increase in plasma epinephrine , and abolished vasodilation in skeletal muscle that occurred in conscious dogs after naloxone hydrochloride administration but had no major effects on responses of plasma norepinephrine , systemic hemodynamics , or other regional blood flows to opiate receptor inhibition .
C0014563
epinephrine
C0028351
norepinephrine