Biology / Bio 2745 · Atom · ~20 seconds
Nervous Tissue: Neurons and Glia, Introduced
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Nervous tissue is built from neurons, which receive and transmit electrical impulses, and glial cells, which support neurons by regulating their environment and forming insulation.
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A neuron's dendrites receive signals while astrocytes nearby regulate the chemical environment those signals depend on.
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Glial cells regulate signaling rather than merely support it — treating neurons as the only functional cells here is the mistake.