title: Action of an extract from the sea urchin Toxopneustes pileolus on isolated smooth muscle.
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D006636:Histamine Release / Q000187:drug effects; D007082:Ileum / Q000187:drug effects; D008297:Male; D008387:Marine Toxins / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D012617:Sea Urchins
chemical_list: D008387:Marine Toxins