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Understanding science: what we cannot know Badge icon
Science, Maths & Technology

Understanding science: what we cannot know

...dopamine and histamine. The diagram in Figure 3 shows one neuron releasing chemical neurotransmitters, triggered by the electrical pulses travelling along the axon. The surface membrane of the next neuron contains specific receptors for these neurotransmitters, acting somewhat like a lock-and-key mechanism. These chemical messages can be passed to the branching dendrites...