palytoxin in concentrations as low as 10 ( -11 ) to 10 ( -12 ) m promotes the outflow of the lipophilic [ 3h ] tetraphenylphosphonium ion from particulate brain cortex of guinea-pigs and rats , and from preloaded crude synaptosomes of rats , which indicates depolarization .
C0086045
concentrations
C0006104
brain