: the nucleus-containing central part of a neuron exclusive of its axons and dendrites that is the major structural element of the gray matter of the brain and spinal cord, the ganglia, and the retina see neuron illustration
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The researchers looked specifically at where gray matter (the body of a neuron) intersects with white matter (the long axons that project out of the cell body) — an area thought to be particularly vulnerable to head impacts.—👁 Image The New York Times News Service Syndicate, San Diego Union-Tribune, 14 Oct. 2025 For example, some inhibitory cells prefer to send signals to another neuron’s little branches called dendrites, while others send signals to a neuron’s cell body.—👁 Image Yasemin Saplakoglu, Quanta Magazine, 29 Sep. 2025 Helping reroute protein synthesis from the axon tips to the main cell body to boost regrowth.—👁 Image New Atlas, 13 July 2025 This premature shrinkage is concerning because gray matter houses the majority of your brain's neuronal cell bodies.—👁 Image Caroline Castrillon, Forbes.com, 18 June 2025 See All Example Sentences for cell body
: the central part of a neuron that includes the nucleus but not the axons and dendrites
Medical Definition
cell body
noun
: the nucleus-containing central part of a neuron exclusive of its axons and dendrites that is the major structural element of the gray matter of the brain and spinal cord, the ganglia, and the retina
called alsoperikaryon, soma
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