[The effect of nicotine on the isolated sphincter muscle of the iris in comparison to corresponding effects of acetylcholine, noradrenaline, hexamethonium and dihydroergotamine].
D000109:Acetylcholine / Q000494:pharmacology*; D004087:Dihydroergotamine; D004876:Ergot Alkaloids / Q000494:pharmacology*; D018738:Hexamethonium; D006584:Hexamethonium Compounds / Q000494:pharmacology*; D007498:Iris / Q000494:pharmacology*; D009538:Nicotine / Q000494:pharmacology*; D009638:Norepinephrine / Q000494:pharmacology*
D004876:Ergot Alkaloids; D006584:Hexamethonium Compounds; D018738:Hexamethonium; D004087:Dihydroergotamine; D009538:Nicotine; D000109:Acetylcholine; D009638:Norepinephrine
ACETYLCHOLINE/pharmacology; ERGOT ALKALOIDS/pharmacology; HEXAMETHONIUM COMPOUNDS/pharmacology; IRIS/pharmacology; NICOTINE/pharmacology; NOREPINEPHRINE/pharmacology