Opening and closing ion channels changes the membrane potential. When the neuron is triggered, it activates voltage-gated sodium channels at the beginning of the axon. This causes an influx of ...
The Hodgkin-Huxley (H-H) theory of the action potential, formulated 50 years ago, remains one of the great success stories in biology, and ranks among the most significant conceptual breakthroughs ...
The answer lies in a membrane structure called myelin ... How does myelin enhance the speed of action potential propagation? It insulates the axon and assembles specialized molecular structure ...
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