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noun
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.
Also called nerve cell.
Compare synapse.
Origin:
1880–85; < Greek neûron sinew, cord, nerve
1880–85; < Greek neûron sinew, cord, nerve
Related forms
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Neurons
is always a great word to know.
So is slumgullion. Does it mean:
| a stew of meat, vegetables, potatoes, etc. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
Example Sentences
- The setup allows for real-time, almost-real-motion tracking of single neurons.
- But neurons in petri dishes and in bugs were comparatively simple.
- Images of interacting immune cells reveal structured connections similar to the ones neurons use to communicate.
American Heritage
Science Dictionary
neuron  (n r'ŏn') Pronunciation Key
(click for larger image in new window) 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. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Cultural Dictionary
neurons [(noor-onz, nyoor-onz)]The basic unit of nerve tissue; the nerve cells. Neurons carry and transmit electrical signals throughout the nervous system.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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