The correct answer is Dendrite.
A useful analogy is to think of neurons as trees. Neurons consist of three main parts: dendrites, axons, and cell bodies or cell bodies (see diagram below), which can be represented as branches, roots, and trunks of a tree, respectively. Dendrites (branch) are where neurons receive input from other cells. The dendrites branch like branches toward the tip and even have leaf-like structures called spines.
Axons (tree roots) are the starting structures of neurons. When a neuron wants to talk to another neuron, it sends an electrical message, called an action potential, across the axon. The cell body (tree trunk) contains the nucleus, houses the neuronal DNA, and makes proteins for transport down the axons and dendrites. Both the brain and spinal cord have different types of neurons. They are generally classified based on where they originate, what they project to, and what neurotransmitters they use.
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