The influence of catecholamines (epinephrine and norepinephrine) and thiamine, injected simultaneously, on the iris of Bufo viridis.
D000818:Animals; D001001:Anura; D004336:Drug Antagonism; D004357:Drug Synergism; D004837:Epinephrine / Q000378:metabolism / Q000494:pharmacology*; D007498:Iris / Q000187:drug effects*; D009119:Muscle Contraction / Q000187:drug effects; D009184:Mydriatics / Q000494:pharmacology; D009638:Norepinephrine / Q000378:metabolism / Q000494:pharmacology*; D013831:Thiamine / Q000494:pharmacology*
D009184:Mydriatics; D009638:Norepinephrine; D013831:Thiamine; D004837:Epinephrine