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 By definition, such cells are proficient at concentrating gene products into vesicles and then removing them from the cell body through secretion. Quanta Magazine, 16 Aug. 2021 The dendrites transmit signals to the neuron’s cell body, where the signals are integrated. Quanta Magazine, 18 Feb. 2021 The reconstructed map, described today in Nature, showed that while one type of bipolar cell connects to the amacrine cells' filaments close to the cell body, another does do so farther away along the length of the filaments. Mo Costandi, Scientific American, 5 May 2014 Those signals would then get combined in the cell body, which would determine how the neuron as a whole would respond. Quanta Magazine, 14 Jan. 2020 Gray matter, on the other hand, is the pinkish-gray tissue rich in neuronal cell bodies. Beth Mole, Ars Technica, 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, 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, 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, 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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Time Traveler for cell body

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The first known use of cell body was in 1878

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Dictionary Entries Near cell body

cell-blockade phenomenon

cell body

cell bridge

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Statistics for cell body

Last Updated

21 Aug 2021

Cite this Entry

“Cell body.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cell%20body. Accessed 22 Sep. 2021.

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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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