+Strychnine is a highly toxic, crystalline [Alkaloid](/wiki/Alkaloid) extracted from the *Strychnos nux-vomica* tree. This potent [Neurotoxin](/wiki/Neurotoxin) causes severe muscle spasms and respiratory failure, historically used as a rodenticide.
+## See also
+- [Toxin](/wiki/Toxin)
+- [Pesticide](/wiki/Pesticide)
+- [Poison](/wiki/Poison)
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