In vivo effect of magnesium chloride?

[mikemikemike at my-deja.com]

 Magnesium chloride is commonly used to sedate organisms
such as annelids, cnidarians etc.

The question is: how does it work?

I've gathered that magnesium has the opposite effect of calcium,
suppressing the production of acethylcholinesterase, but i'm not
sure if that is the mechanism in effect when used as a sedative.

Also, is the effect that all nerves are 'shut down', or is the animal
merely paralyzed?

--
MVH: Mike Noren


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