Four Neuron Types
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State
Neurons divide structurally into unipolar, bipolar, multipolar, and pseudounipolar types, distinguished by how many processes extend from the soma and how they branch.
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Most sensory neurons are pseudounipolar, with a single process that later splits into two branches.
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Pseudounipolar is not the same as unipolar — a pseudounipolar neuron's single process still splits into two functional branches.