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Introduction to the Nervous System
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Organization of the nervous system
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Central nervous system (CNS)
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It's composed of the brain and the spinal cord.
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Peripheral nervous system (PNS)
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It consists of the nerves that connect the brain and the spinal cord with the body's muscles, glands, sense organs, and other tissues.
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Basically everything outside the brain and spinal cord.
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Neuron
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Structure of neurons
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Soma
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It contains the nucleus and ribosomes.
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It's also called the cell body.
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Dendrite
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Series of highly branched outgrowths of the cell that receive incoming information from other neurons.
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They increase a cell's capacity to receive signals from many other neurons.
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Dendritic spines
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Knoblike outgrowths that increase the surface area of dendrites further.
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Axon
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Long process that extends from the cell body and carries outgoing signals to its target cells.
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Axon hillock
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Axon terminal
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Myelin
Scholarly Assistant's Insights
Explore the nervous system's organization and the structure of neurons, including components like dendrites and axons.
Anatomy
Physiology
Neuroscience
Nervous System
Brain
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