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Key Points. 1  Dendrites are the tree-like structures in neurons that extend away from the cell body to receive messages from other neurons at synapses; not all neurons have dendrites. 2  Synapses enable the dendrites from a single neuron to interact and receive signals from many other neurons.
Neurones are nerve cells. They carry information as tiny electrical signals. There are three different types of neurones, each with a slightly different function: 1  sensory neurones carry signals from receptors receptor: organ which recognizes and responds to stimuli to the spinal cord and brain.