What role do dendrites play in neuron function?

Dendrites play a crucial role in neuron function primarily by receiving signals from other neurons. These tree-like structures extend from the neuron's cell body and are covered with receptors that detect neurotransmitters released by adjacent neurons. When a neurotransmitter binds to a receptor on a dendrite, it can generate a small electrical signal that may lead to an action potential if the cumulative signals are strong enough. This process is essential for facilitating communication within the nervous system, allowing for the integration of information from multiple sources. By receiving these signals, dendrites enable neurons to process and respond to a variety of stimuli, underscoring their importance in neural circuitry and overall brain function.