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1. Presence of only a single axon, branching at the terminal end.
2. True unipolar neurons not found in adult human; common in human embryos and invertebrates.

There are several types of nerve cells ( neurons ) in the nervous system. One way to classify neurons is by the extensions also called processes that project out of the cell body. Multipolar neurons have many "dendrites" that extend from the cell body. Unipolar or pseudounipolar neurons have only a single extension from the cell body, this extension branches further away from the cell body.

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