cell body

noun

Definition of cell body

: 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

Examples of cell body in a Sentence

Recent Examples on the Web

Gray matter, on the other hand, is the pinkish-gray tissue rich in neuronal cell bodies. Beth Mole, Ars Technica, "Brain imaging weirdness adds to Cuba “health attack” mystery," 24 July 2019 So the microbe must somehow get the electrons out of its cell body and attach them to rust particles. New York Times, "Wired Bacteria Form Nature’s Power Grid: ‘We Have an Electric Planet’," 1 July 2019 Cajal also developed the Theory of Dynamic Polarization, which poses that information flows in one direction — into a neuron’s dendrites, through its cell body, and out its axon. Cate Mcquaid, BostonGlobe.com, "A different sort of scan in ‘The Beautiful Brain’," 6 June 2018 Second, the electrical signals those cells generate flow through neurons in one direction: branching dendrites receive the pulse, pass it to the main cell body and then along their axons—long projections that can connect distant parts of the brain. Marissa Fessenden, Smithsonian, "Revel in These Wondrous Drawings by the Father of Neuroscience," 23 Jan. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cell body.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cell body

1878, in the meaning defined above

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Last Updated

11 Aug 2019

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The first known use of cell body was in 1878

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More Definitions for cell body

cell body

noun

Medical Definition of cell body

: 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 also perikaryon, soma

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