nerve fiber action potential

nerve fiber action potential
an action potential recorded from a single nerve fiber; see also compound nerve action p.

Medical dictionary. 2011.

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  • action potential — n a momentary reversal in the potential difference across a plasma membrane (as of a nerve cell or muscle fiber) that occurs when a cell has been activated by a stimulus called also spike potential compare RESTING POTENTIAL see afterpotential …   Medical dictionary

  • compound nerve action potential — a group of almost synchronous nerve fiber action potentials from the trunk of a motor, sensory, or mixed nerve: they are usually evoked by nerve stimulation and are recorded as a multipeaked summated action potential …   Medical dictionary

  • Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …   Wikipedia

  • action potential — Physiol. the change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals. Cf. nerve impulse. [1925 30] * * * Brief (about one thousandth of a… …   Universalium

  • action potential — ac′tion poten tial n. phl the change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals Compare nerve impulse …   From formal English to slang

  • action potential — noun Date: 1926 a momentary reversal in electrical potential across a plasma membrane (as of a nerve cell or muscle fiber) that occurs when a cell has been activated by a stimulus …   New Collegiate Dictionary

  • action potential — noun A short term change in the electrical potential that travels along a cell such as a nerve or muscle fiber …   Wiktionary

  • Group C nerve fiber — Infobox Anatomy Name = PAGENAME Latin = GraySubject = GrayPage = Caption = C fiber not labeled, but substantia gelatinosa of Rolando is Rexed lamina II, labeled at upper left. Caption2 = Precursor = System = Artery = Vein = Nerve = Lymph =… …   Wikipedia

  • Quantitative models of the action potential — In neurophysiology, several mathematical models of the action potential have been developed, which fall into two basic types. The first type seeks to model the experimental data quantitatively, i.e., to reproduce the measurements of current and… …   Wikipedia

  • nerve potential — nerve action potential 1. compound nerve action p. 2. nerve fiber action p …   Medical dictionary

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