[noo r-on, nyoo r-] /ˈnʊər ɒn, ˈnyʊər-/

Cell Biology. a specialized, impulse-conducting cell that is the functional unit of the nervous system, consisting of the cell body and its processes, the axon and dendrites.
a specialized cell that conducts nerve impulses: consists of a cell body, axon, and dendrites Also called nerve cell

“a nerve cell with appendages,” 1891, from German Neuron, from Greek neuron (see neuro-). Used earlier (1884) for “the spinal cord and brain.”

neuron neu·ron (nur’ŏn’, nyur’-) or neu·rone (-ōn’)
Any of the impulse-conducting cells that constitute the brain, spinal column, and nerves, consisting of a nucleated cell body with one or more dendrites and a single axon. Also called nerve cell, neurocyte.

A cell of the nervous system. Neurons typically consist of a cell body, which contains a nucleus and receives incoming nerve impulses, and an axon, which carries impulses away from the cell body. Also called nerve cell.


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    neuronevus neu·ro·ne·vus (nur’ō-nē’vəs, nyur’-) n. Any of various intradermal nevi containing nests of hyalinized nevus cells that resemble nerve bundles.

  • Neuronopathy

    neuronopathy neu·ro·nop·a·thy (nur’ə-nŏp’ə-thē, nyur’-) n. A disorder of a neuron.

  • Neuronophage

    neuronophage neu·ron·o·phage (nu-rŏn’ə-fāj’, nyu-) n. A phagocyte that ingests neurons.

  • Neuronophagia

    neuronophagia neu·ron·o·pha·gia (nur’ŏn-ə-fā’jə, nyur’-) or neu·ro·noph·a·gy (nur’ə-nŏf’ə-jē, nyur’-) n. Destruction of nerve cells by phagocytes.

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