refractory phase
noun see refractory period

New Collegiate Dictionary. 2001.

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  • refractory phase — noun see refractory period …   Useful english dictionary

  • 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 — noun Date: circa 1880 the brief period immediately following the response especially of a muscle or nerve before it recovers the capacity to make a second response called also refractory phase …   New Collegiate 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

  • Refractory period (sex) — In sexuality, the refractory period is the recovery phase after orgasm during which it is physiologically impossible for an individual to have additional orgasms. It is also sometimes defined as the time immediately following orgasm during which… …   Wikipedia

  • phase 2 — in cardiac physiology, the phase representing the plateau of the action potential, which contributes to the refractory period of the heart; there is a slow entry of calcium into the cell. It is the result of a balance between inward and outward… …   Medical dictionary

  • refractory period — noun a) The period, after excitation, during which a membrane recovers it polarization and is not able to respond to a second stimulus b) a recovery phase after orgasm during which it is physiologically impossible for an individual to have… …   Wiktionary

  • 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

  • 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… …   Medical dictionary

  • Effective Refractory Period — During a cardiac cycle, once an action potential is initiated, there is a period of time that a new action potential cannot be initiated. This is termed the effective refractory period (ERP) of the tissue. Cells may or may not be in an absolute… …   Wikipedia

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