Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,907,994,243 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

action potential
(redirected from Nerve signal)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
action potential
n.
A momentary change in electrical potential on the surface of a cell, especially of a nerve or muscle cell, that occurs when it is stimulated, resulting in the transmission of an electrical impulse.

action potential
n
(Life Sciences & Allied Applications / Physiology) a localized change in electrical potential, from about -70 mV to +30 mV and back again, that occurs across a nerve fibre during transmission of a nerve impulse

action potential  (kshn)
A momentary change in electrical potential on the surface of a neuron or muscle cell. Nerve impulses are action potentials. They either stimulate a change in polarity in another neuron or cause a muscle cell to contract.

action potential - A brief electrical signal transmitted along a nerve or muscle fiber following stimulation.
See also related terms for nerve.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.action potential - the local voltage change across the cell wall as a nerve impulse is transmittedaction potential - the local voltage change across the cell wall as a nerve impulse is transmitted
nerve impulse, nervous impulse, neural impulse, impulse - the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"


Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Feedback
Add definition
Mentioned in?  References in periodicals archive?   Dictionary browser?   Full browser?
 
It is believed that drug seeking is regulated by dopamine, a chemical nerve signal associated with motivating and rewarding behaviour.
The technique relies on a feedback loop of nerve signals, which flow from each eye to the brain and back again to both pupils of the eyes by a secondary pathway, Maddess explains.
A neurotransmitter is a signal substance that transmits the nerve signal through the junctions between two nerve cells.
 
 
 
Dictionary, Thesaurus, and Translations
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.