Dendrites are branched projections that extend from the cell body and collect incoming signals from other neurons. ![]() The cell body, also called the soma, contains the neuron’s nucleus and most of its cytoplasm, along with molecular machinery for building and transporting proteins critical to the cell’s function. Neurons come in a broad range of shapes and sizes, but all of them have a cell body, dendrites, and an axon. ![]() The functional unit of neural circuits and networks is the neuron, a specialized cell that can transmit electrical signals to other nerve cells, muscles, or glands. User:Dhp1080, CC BY-SA 3.0, via Wikimedia CommonsĮvery large system is held up by its smaller parts.
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