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Biology-Related Homework Help Anatomy and Physiology Topic started by: hatelovesurf on Jan 26, 2012



Title: How does Mg2+ block the effect of extracellular calcium on neurotransmitter rele
Post by: hatelovesurf on Jan 26, 2012
How does Mg2+ block the effect of extracellular calcium on neurotransmitter release?

Physio Ex 9.0 extercise 3 activity 8

Best guess: It acts as a barrier by not allowing calcium to interact with the vesicles possibly because it is transported instead?


Title: Re: How does Mg2+ block the effect of extracellular calcium on neurotransmitter rele
Post by: how_mendel on Jan 26, 2012
When magnesium is added to the extracellular fluid it blocks the calcium channels and inhibits the release of neurotransmitter.