单词	depolarization
释义	depolarization noun de·​po·​lar·​i·​za·​tion (ˌ)dē-ˌpō-lə-rə-ˈzā-shən  1 : the process of depolarizing something or the state of being depolarized 2 physiology : loss of the difference in charge between the inside and outside of the plasma membrane of a muscle or nerve cell due to a change in permeability and migration of sodium ions to the interior … partial depolarization of the ventricular tissue resulting from rapid conduction of the electrical impulse from the atrium to the ventricle … Mark S. Link Word History First Known Use circa 1814, in the meaning defined at sense 1 Medical Definition depolarization noun de·​po·​lar·​iza·​tion variants or British depolarisation (ˌ)dē-ˌpō-lə-rə-ˈzā-shən  : loss of polarization especially : loss of the difference in charge between the inside and outside of the plasma membrane of a muscle or nerve cell due to a change in permeability and migration of sodium ions to the interior … partial depolarization of the ventricular tissue resulting from rapid conduction of the electrical impulse from the atrium to the ventricle … Mark S. Link, The New England Journal of Medicine
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