Tag Archives: ion channel

A Grey Anatomy: The Axon

This is the third in a series of occasional postings digger deeper into the brain’s structure and functioning. This one looks at the axon – the central cable-like structure within a neuron that, put simply, passes electrical signals down from … Continue reading

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Building Biological Transistors

A previous posting introduced ion channels, including the voltage-gated variety where the voltage across the membrane controls whether ions can pass through the membrane. In the posting, such an ion channel was compared with an electronic transistor (transistor=‘transfer resistor’) – … Continue reading

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A Grey Anatomy: The Electrical Chemistry of Ion Channels

This is the second in a series of occasional postings digger deeper into the brain’s structure and functioning. Previously, there was a large scale view looking at the whole of the cortex. Here now is a view at an extremely … Continue reading

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