43:
787:{{Information |description={{en|1=Key:<br /> '''a)''' Sodium (Na+) ion<br /> '''b)''' Potassium (K+) ion<br /> '''c)''' Sodium channel<br /> '''d)''' Potassium channel<br /> '''e)''' Sodium-Potassium Pump In the stages of an action potential, the permeability of the membrane of the neuron changes. At the resting state (1), sodium and potassium ions are unable to pass through the membrane, and the neuron has a negative charge inside (mainly due to the large proteins that are negatively charge...
330:
370:
376:
154:
381:
219:, where the sodium channels close and the potassium channels open, allowing potassium ions to cross the membrane and flood into the extracellular fluid, resulting in a positive charge in the extracellular fluid and a negative charge that is below the resting potential of the neuron. Finally, the membrane potential returns to the resting state as the potassium channels close during the
311:
140:
99:
800:
282:
770:
210:, sodium and potassium ions are unable to pass through the membrane, and the neuron has a negative charge inside (mainly due to the large proteins that are negatively charged, as well as the lower amount of positive K+ ions inside the neuron). Once the action potential is triggered, the
214:
of the neuron activates the sodium channel, allowing sodium ions to pass through the membrane of the neuron and results in a positive charge in the neuron and a negative charge in the extracellular fluid. After the action potential is reached, the neuron begins
294:
430:– You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
73:
69:
65:
61:
57:
53:
47:
110:
82:
251:
859:
223:. The sodium-potassium pump works to maintain the concentration gradient over time by exchanging three sodium ions per two potassium ions across the plasma membrane .
799:
794:
399:
360:
841:
340:
769:
764:
42:
647:
611:
892:
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
437:
701:
595:
569:
554:
539:
667:
631:
512:
495:
561:
391:
895:
If the file has been modified from its original state, some details may not fully reflect the modified file.
436:– If you remix, transform, or build upon the material, you must distribute your contributions under the
255:
157:
810:
388:
206:
In the stages of an action potential, the permeability of the membrane of the neuron changes. At the
546:
118:
265:
831:
836:
329:
363:, the copyright holder of this work, hereby publishes it under the following license:
147:
105:
869:
240:
780:
229:
225:
321:
288:
153:
737:
Click on a date/time to view the file as it appeared at that time.
150:
includes elements that have been taken or adapted from this file:
310:
252:
Membrane
Permeability of a Neuron During an Action Potential.pdf
169:
Membrane
Permeability of a Neuron During an Action Potential.svg
879:
139:
93:
904:
Membrane
Permeability of a Neuron During an Action Potential
281:
87:(SVG file, nominally 1,200 × 888 pixels, file size: 81 KB)
648:
Creative
Commons Attribution-ShareAlike 4.0 International
479:
Add a one-line explanation of what this file represents
163:
117:
Commons is a freely licensed media file repository.
547:https://commons.wikimedia.org/user:CThompson02
447:https://creativecommons.org/licenses/by-sa/4.0
98:
453:Creative Commons Attribution-Share Alike 4.0
369:
8:
413:– to copy, distribute and transmit the work
230:https://www.youtube.com/watch?v=UabDiuTtU0M
226:https://www.youtube.com/watch?v=UabDiuTtU0M
46:Size of this PNG preview of this SVG file:
897:
739:
475:
852:The following other wikis use this file:
392:Attribution-Share Alike 4.0 International
915:
907:
899:
829:
715:
699:
681:
665:
645:
629:
609:
593:
526:
510:
493:
490:
471:
464:
842:Knowledge:WikiProject AP Biology 2018
827:The following 3 pages use this file:
7:
817:User created page with UploadWizard
728:
380:
375:
890:
484:
478:
366:
359:
334:
315:
286:
173:
145:
144:
130:
80:
483:
870:Membrana d'intercanvi iònic
469:
424:Under the following conditions:
387:This file is licensed under the
379:
374:
368:
328:
309:
280:
152:
138:
97:
31:
21:
466:
174:
14:
465:
26:
1:
36:
876:Usage on en.wikiversity.org
491:Items portrayed in this file
320:diagram was extracted with
937:
866:Usage on ca.wikipedia.org
856:Usage on bo.wikipedia.org
438:same or compatible license
729:
287:The source code of this
16:
468:
404:
104:This is a file from the
816:
786:
261:
246:
239:
236:
166:
108:. Information from its
339:text that can be
111:description page there
221:refractory period (4)
204:Sodium-Potassium Pump
343:using a text editor.
272:SVG development
256:Action potential.svg
158:Action potential.svg
70:2,560 × 1,894 pixels
419:– to adapt the work
335:This diagram uses
250:Own work based on:
52:Other resolutions:
795:00:56, 1 June 2018
765:21:51, 2 June 2018
570:author name string
555:Wikimedia username
217:repolarization (3)
212:depolarization (2)
189:Potassium (K+) ion
74:1,200 × 888 pixels
66:1,280 × 947 pixels
62:1,024 × 758 pixels
924:
923:
848:Global file usage
820:
632:copyright license
477:
350:
349:
341:easily translated
208:resting state (1)
199:Potassium channel
126:
125:
106:Wikimedia Commons
32:Global file usage
928:
898:
880:Beat (acoustics)
832:Action potential
807:
777:
596:copyright status
577:
574:
564:
559:
549:
544:
460:
457:
454:
451:
448:
440:as the original.
402:
389:Creative Commons
383:
382:
378:
377:
372:
371:
338:
332:
313:
304:
298:
284:
242:
184:Sodium (Na+) ion
178:
170:
164:
156:
142:
122:
101:
100:
94:
88:
77:
58:640 × 474 pixels
54:320 × 237 pixels
48:800 × 592 pixels
936:
935:
931:
930:
929:
927:
926:
925:
886:
846:
821:
813:
805:
783:
775:
731:
730:
727:
726:
725:
724:
723:
722:
721:
720:
718:
708:
707:
706:
704:
693:
692:
691:
690:
689:
688:
687:
686:
684:
674:
673:
672:
670:
659:
658:
657:
656:
655:
654:
653:
652:
650:
638:
637:
636:
634:
623:
622:
621:
620:
619:
618:
617:
616:
614:
602:
601:
600:
598:
587:
586:
585:
584:
583:
582:
581:
580:
579:
578:
575:
572:
566:
565:
560:
557:
551:
550:
545:
542:
533:
532:
531:
529:
519:
518:
517:
515:
504:
503:
502:
501:
500:
498:
482:
481:
480:
463:
462:
461:
458:
455:
452:
449:
446:
445:
403:
398:
395:
384:
365:
364:
356:
351:
346:
345:
344:
336:
326:
325:
307:
306:
300:
292:
275:
232:
168:
162:
161:
151:
135:
128:
127:
116:
115:
114:is shown below.
90:
86:
79:
78:
51:
12:
11:
5:
934:
932:
922:
921:
918:
914:
913:
910:
906:
905:
902:
889:
885:
884:
883:
882:
874:
873:
872:
864:
863:
862:
860:ལས་འཇུག་ནུས་པ།
850:
849:
845:
844:
839:
837:Sodium channel
834:
825:
824:
819:
818:
815:
811:
808:
802:
797:
792:
789:
788:
785:
781:
778:
772:
767:
762:
758:
757:
754:
751:
748:
745:
742:
735:
734:
719:
716:
714:
713:
712:
711:
710:
709:
705:
700:
698:
697:
696:
695:
694:
685:
682:
680:
679:
678:
677:
676:
675:
671:
666:
664:
663:
662:
661:
660:
651:
646:
644:
643:
642:
641:
640:
639:
635:
630:
628:
627:
626:
625:
624:
615:
610:
608:
607:
606:
605:
604:
603:
599:
594:
592:
591:
590:
589:
588:
568:
567:
553:
552:
538:
537:
536:
535:
534:
530:
527:
525:
524:
523:
522:
521:
520:
516:
511:
509:
508:
507:
506:
505:
499:
494:
492:
489:
488:
487:
486:
485:
474:
473:
470:
467:
444:
443:
442:
441:
431:
422:
421:
420:
414:
407:You are free:
396:
386:
385:
367:
358:
357:
355:
352:
348:
347:
327:
308:
279:
278:
276:
273:
269:
268:
263:
259:
258:
248:
244:
243:
238:
234:
233:
194:Sodium channel
171:
137:
136:
134:
131:
129:
124:
123:
102:
92:
91:
45:
41:
40:
39:
34:
29:
24:
19:
13:
10:
9:
6:
4:
3:
2:
933:
919:
916:
911:
908:
903:
900:
896:
893:
887:
881:
878:
877:
875:
871:
868:
867:
865:
861:
858:
857:
855:
854:
853:
847:
843:
840:
838:
835:
833:
830:
828:
822:
814:
809:
803:
801:
798:
796:
793:
791:
790:
784:
779:
773:
771:
768:
766:
763:
760:
759:
755:
752:
749:
746:
743:
741:
740:
738:
732:
717:image/svg+xml
703:
669:
649:
633:
613:
597:
571:
563:
556:
548:
541:
514:
497:
450:CC BY-SA 4.0
439:
435:
432:
429:
426:
425:
423:
418:
415:
412:
409:
408:
406:
405:
401:
397:Attribution:
393:
390:
373:
362:
353:
342:
331:
323:
319:
312:
303:
297:
296:
290:
283:
277:
271:
270:
267:
264:
260:
257:
253:
249:
245:
235:
231:
228:
227:
224:
222:
218:
213:
209:
205:
203:
200:
198:
195:
193:
190:
188:
185:
183:
180:
177:
172:
165:
159:
155:
149:
141:
132:
120:
113:
112:
107:
103:
96:
95:
89:
84:
83:Original file
75:
71:
67:
63:
59:
55:
49:
44:
38:
35:
33:
30:
28:
25:
23:
20:
18:
15:
894:
891:
851:
826:
774:1,200 × 888
736:
733:File history
433:
427:
416:
410:
317:
301:
293:
220:
216:
211:
207:
201:
196:
191:
186:
181:
175:
148:vector image
119:You can help
109:
81:
22:File history
901:Short title
812:CThompson02
683:25 May 2018
612:copyrighted
576:CThompson02
562:CThompson02
434:share alike
428:attribution
400:CThompson02
361:CThompson02
266:CThompson02
241:25 May 2018
167:Description
823:File usage
804:512 × 384
750:Dimensions
702:media type
528:some value
27:File usage
747:Thumbnail
744:Date/Time
668:inception
354:Licensing
316:This W3C-
274:InfoField
176:English:
888:Metadata
806:(148 KB)
472:Captions
417:to remix
411:to share
394:license.
337:embedded
322:Inkscape
37:Metadata
776:(81 KB)
761:current
756:Comment
513:creator
496:depicts
476:English
318:invalid
305:errors.
299:due to
295:invalid
133:Summary
85:
917:Height
333:
314:
285:
262:Author
247:Source
143:
909:Width
782:Ras67
146:This
912:1200
753:User
459:true
456:true
254:and
237:Date
179:Key:
17:File
920:888
540:URL
291:is
289:SVG
202:(e)
197:(d)
192:(c)
187:(b)
182:(a)
573::
558::
543::
72:|
68:|
64:|
60:|
56:|
50:.
324:.
302:9
160:.
121:.
76:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.