Chemical signals in neurons

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6 Terms

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Neurotransmitter

A chemical signal that transfers information across a synapse.

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Agonists and antagonists

Substances that affect the uptake of neurotransmitters.

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Action potentials

Electrical signals that move along a continuous membrane.

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Synapse

The junction between neurons where neurotransmission occurs.

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Synaptic transmission

The process where an action potential triggers the release of neurotransmitters into the synaptic cleft.

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Acetylcholine

A neurotransmitter released at synapses and motor neuron-muscle cell contacts, broken down by acetylcholinesterase in the synaptic cleft.