relative refractory period


relative refractory period
relative refractory period n the period shortly after the firing of a nerve fiber when partial repolarization has occurred and a greater than normal stimulus can stimulate a second response called also relative refractory phase compare ABSOLUTE REFRACTORY PERIOD

* * *

the brief period following the absolute refractory period, during which there is repolarization of the cell membrane to the extent that the fiber can respond to a strong stimulus, although the normal resting potential has not been reached.

Medical dictionary. 2011.

Look at other dictionaries:

  • refractory period — n the brief period immediately following the response esp. of a muscle or nerve before it recovers the capacity to make a second response called also refractory phase see ABSOLUTE REFRACTORY PERIOD, RELATIVE REFRACTORY PERIOD * * * (in …   Medical dictionary

  • Refractory period — In physiology, a refractory period is a period of time during which an organ or cell is incapable of repeating a particular action, or (more precisely) the amount of time it takes for an excitable membrane to be ready for a second stimulus once… …   Wikipedia

  • absolute refractory period — n the period immediately following the firing of a nerve fiber when it cannot be stimulated no matter how great a stimulus is applied called also absolute refractory phase compare RELATIVE REFRACTORY PERIOD * * * the portion of the refractory… …   Medical dictionary

  • period — 1. A certain duration or division of time. 2. One of the stages of a disease, e.g., p. of incubation, p. of convalescence. SEE ALSO: stage, phase. 3. Colloquialism for menses. 4. Any of the horizontal rows of chemical elements in the …   Medical dictionary

  • Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …   Universalium

  • 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

  • nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

  • Exercise-induced asthma — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 31728 ICD10 = ICD9 = ICD9|493.81 ICDO = OMIM = MedlinePlus = eMedicineSubj = sports eMedicineTopic = 155 MeshID = D001250Exercise induced asthma, or E.I.A., is a medical condition… …   Wikipedia

  • List of psychology topics — This page aims to list all topics related to psychology. This is so that those interested in the subject can monitor changes to the pages by clicking on Related changes in the sidebar. It is also to see the gaps in Wikipedia s coverage of the… …   Wikipedia

  • Electrocardiography — ECG redirects here. For other uses, see ECG (disambiguation). Not to be confused with echocardiogram, electromyogram, electroencephalogram, or EEG. Electrocardiography Intervention Image showing a patient connected to the 10 electrodes necessary …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.