{"id":219,"date":"2016-11-16T03:26:20","date_gmt":"2016-11-16T03:26:20","guid":{"rendered":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/?p=219"},"modified":"2016-11-16T21:04:32","modified_gmt":"2016-11-16T21:04:32","slug":"repolarization","status":"publish","type":"post","link":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/2016\/11\/16\/repolarization\/","title":{"rendered":"Repolarization"},"content":{"rendered":"<p><strong>Repolarization<\/strong> is the process by which the <a href=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/2016\/11\/13\/neuron\/\">neuron<\/a> regains its negative <a href=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/2016\/11\/13\/resting-membrane-potential\/\">resting membrane potential<\/a>. Repolarization starts between +30 and +40 mV. In this range, <a href=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/2016\/11\/15\/voltage-gated-sodium-channels\/\">voltage-gated sodium channels<\/a> will close and <a href=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/2016\/11\/16\/voltage-gated-potassium-channels\/\">voltage-gated potassium channels<\/a> will open. This allows positively-charged potassium ions that are in <a href=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/2016\/11\/13\/chemical-potential\/\">high concentration<\/a> in the cell to leave. The <a href=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/2016\/11\/13\/membrane-potential\/\">membrane potential<\/a> will drop past the resting potential before potassium channels begin to close. This occurs around -80 mV and makes up the beginning of <a href=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/2016\/11\/16\/hyperpolarization\/\">hyperpolarization<\/a>.<\/p>\n<figure id=\"attachment_138\" aria-describedby=\"caption-attachment-138\" style=\"width: 300px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-138 size-medium\" src=\"http:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-content\/uploads\/sites\/5864\/2016\/11\/Action-Potential-Diagram-300x296.png\" alt=\"action-potential-diagram\" width=\"300\" height=\"296\" srcset=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-content\/uploads\/sites\/5864\/2016\/11\/Action-Potential-Diagram-300x296.png 300w, https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-content\/uploads\/sites\/5864\/2016\/11\/Action-Potential-Diagram-273x270.png 273w, https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-content\/uploads\/sites\/5864\/2016\/11\/Action-Potential-Diagram.png 500w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-138\" class=\"wp-caption-text\"><span style=\"font-size: 8pt\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (&#8220;Action potential&#8221;) <\/span><\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/glossary-of-terms\/\">Back to Glossary.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Repolarization is the process by which the neuron regains its negative resting membrane potential. Repolarization starts between +30 and +40 mV. In this range, voltage-gated sodium channels will close and voltage-gated potassium channels will open. This allows positively-charged potassium ions <a href=\"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/2016\/11\/16\/repolarization\/\" class=\"read-more\">Read More &#8230;<\/a><\/p>\n","protected":false},"author":734,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-219","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/posts\/219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/users\/734"}],"replies":[{"embeddable":true,"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/comments?post=219"}],"version-history":[{"count":3,"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/posts\/219\/revisions"}],"predecessor-version":[{"id":287,"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/posts\/219\/revisions\/287"}],"wp:attachment":[{"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/media?parent=219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/categories?post=219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eprojects.isucomm.iastate.edu\/314-4-kbcm\/wp-json\/wp\/v2\/tags?post=219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}