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A comment on The magic of ion channels in the neurons. Parent comment
the extracellular environment is the reference of 0mV
typically a differential amplifier is used to measure voltage potential across a cellular membrane:
https://en.wikipedia.org/wiki/Differential_amplifier
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the extracellular environment is the reference of 0mV
typically a differential amplifier is used to measure voltage potential across a cellular membrane:
https://en.wikipedia.org/wiki/Differential_amplifier