title: Release during convulsions of an unknown substance into the cerebral ventricles of the cats.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D002415:Cats; D002552:Cerebral Ventricles; D004298:Dopamine / Q000494:pharmacology; D008784:Methysergide / Q000494:pharmacology; D009119:Muscle Contraction; D010433:Pentylenetetrazole; D011453:Prostaglandins / Q000378:metabolism; D012640:Seizures / Q000139:chemically induced*; D013270:Stomach; D013331:Strychnine
chemical_list: D011453:Prostaglandins; D013331:Strychnine; D004298:Dopamine; D010433:Pentylenetetrazole; D008784:Methysergide