Look up: depolarization


  1. depolarization
    [n] - a loss of polarity or polarization
    Found op http://www.webdictionary.co.uk/definition.php?query=depolarization

  2. depolarization
    A positive shift in a cell's resting potential (that is normally negative), thus making it numerically smaller and less polarized, eg. -90mV to -50mV. The opposite of hyperpolarization.
    Found op http://www.encyclo.co.uk/visitor-contributions.php

  3. Depolarization
    De·po`lar·i·za'tion noun [ Confer French dépolarisation .] The act of depriving of polarity, or the result of such action; reduction to an unpolarized condition. Depolarization of light (Opt.) , a change in the plane of pola...
    Found op http://www.encyclo.co.uk/webster/D/40

  4. depolarization
    depolarisation noun a loss of polarity or polarization
    Found op http://wordnetweb.princeton.edu/perl/webwn?s=depolarization

  5. depolarization
    (de-po″lәr-ĭ-za´shәn) the reduction of a membrane's resting potential so that it becomes less negative. In cardiac physiology there are several forms: the normal slow diastolic depolarization of pacemaker cells; the slow but normal depolarization of cells of the atrioventricu...
    Found op http://www.encyclo.co.uk/local/21001

  6. Depolarization
    • (n.) The act of depriving of polarity, or the result of such action; reduction to an unpolarized condition.
    Found op http://thinkexist.com/dictionary/meaning/depolarization/

  7. depolarization
    (from the article `human cardiovascular system`) ...excess of positive ions on the outside of the sarcolemma (a stage known as the resting potential). When a nerve impulse stimulates ion channels to ... ...a result, the outside of the cell becomes negative and the inside positive. This condition las...
    Found op http://www.britannica.com/eb/a-z/d/32

  8. depolarization
    the process or act of neutralizing polarity. In neurophysiology, the reversal of the resting potential in excitable cell membranes when stimulated, i.e., the tendency of the cell membrane potential to become positive with respect to the potential outside the cell.
    Found op http://users.ugent.be/~rvdstich/eugloss/DIC/dictio24.html



  1. Depolarization
    In biology, depolarization is a change in a cell`s membrane potential, making it more positive, or less negative. In neurons and some other cells, a large enough depolarization may result in an action potential. Hyperpolarization is the opposite of depolarization, and inhibits the rise of an action...
    Found op http://en.wikipedia.org/wiki/Depolarization

  2. Depolarization
    A decrease in the potential difference across the cell membrane of a neuron. Most neurons depolarize in response to stimulation.
    Found op http://tigger.uic.edu/~hilbert/Glossary.html

  3. depolarization
    a phenomenon by virtue of which all or part of the power of a radio wave transmitted with a defined polarization, no longer has any defined polarization after propagation NOTE - The term 'depolarization' is sometimes used to designate the change from a defined polarization to another defined polariz...
    Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=705-08-51

  4. depolarization
    reduction of the electric potential difference across a membrane
    Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=891-02-19

  5. depolarization
    Type: Term Pronunciation: dē-pō′lăr-i-zā′shŭn Definitions: 1. A relative reduction in magnitude of polarization; in nerve cells, depolarization may result from an increase in the permeability of the cell membrane to sodium ions. 2. The destruction, neutralization...
    Found op http://www.medilexicon.com/medicaldictionary.php?t=23810

  6. DEPOLARIZATION
    A change from a negative to a positive charge, generating an electrical wave (as in the production of the heartbeat).
    Found op http://www.thehorse.com/Glossary.xhtml?L=D

  7. depolarization
    (de-po;lar-u1-za;shun) The loss of membrane polarity in which the inside of the cell membrane becomes less negative in comparison to the outside of the membrane. The term is also used to indicate the reversal of membrane polarity that occurs during the production of action potentials in nerve and m...
    Found op http://www.mhhe.com/biosci/abio/glossary.mhtml

  8. depolarization
    (de-po;lar-u1-za;shun) The loss of membrane polarity in which the inside of the cell membrane becomes less negative in comparison to the outside of the membrane. The term is also used to indicate the reversal of membrane polarity that occurs during the production of action potentials in nerve and m...
    Found op http://www.mhhe.com/biosci/abio/glossary.mhtml

  9. depolarization
    1) A loss of polarity or polarization 2) Change 3) Depolarisation
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/depolarization/1

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