Tags: Chemical Compound, Chemical Substance.
Penitrem A (tremortin) is a fungal neurotoxin found on ryegrass. It is produced by certain species of Aspergillus Claviceps and Penicillium. It inhibits potassium channels in smooth muscles.[citation needed] The maxi-channels targeted have their highest density in the cerebellar Purkinje cells.It causes a stagger in horses and cattle.
