تُحافظ مضخة الصوديوم والبوتاسيوم على التدرجات الطبيعية من الصوديوم والبوتاسيوم بين الخلايا والسوائل خارج الخلية.
<ul><li><a href="//commons.wikimedia.org/wiki/File:Scheme_sodium-potassium_pump-en.svg" title="File:Scheme sodium-potassium pump-en.svg">Scheme_sodium-potassium_pump-en.svg</a>: <a href="//commons.wikimedia.org/wiki/User:LadyofHats" title="User:LadyofHats">LadyofHats</a> Mariana Ruiz Villarreal</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Jfdwolff" title="User:Jfdwolff">Jfdwolff</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Jfdwolff" title="User talk:Jfdwolff"><span class="signature-talk">talk</span></a>)</li>
<li>derivative work: <a href="//commons.wikimedia.org/w/index.php?title=User:Bassem&amp;action=edit&amp;redlink=1" class="new" title="User:Bassem (page does not exist)">Bassem</a></li></ul>
2012-07-18 18:46
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