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Axons
Long, slender projections of nerve cells (neurons) that transmit electrical impulses away from the neuron's cell body to other neurons, muscles, or glands.
Myelin
A fatty substance that surrounds and insulates the axons of some neurons, enhancing the speed and efficiency of electrical signal transmission.
Receptor Sites
Specific locations on the surface of a cell or within a cell that are sensitive to certain chemicals, hormones, or neurotransmitters.
Neurotransmitters
Chemicals that transmit signals across a synapse from one neuron to another in the brain and nervous system.
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