The effect of some neurohormones on the heart rate of spiders.
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D004594:Electrophysiology; D004837:Epinephrine / Q000494:pharmacology*; D006339:Heart Rate / Q000187:drug effects*; D013112:Spiders / Q000502:physiology*
D000109:Acetylcholine; D004837:Epinephrine