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Unmyelinated


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Re: The Physics of how the Myelin Sheath actually works.

... pumped into the space during the recovery phase are trapped there, right next to the membrane, in significantly higher concentrations than in an unmyelinated axon (or the Schwann cell gaps) - when an action potential opens the gates, the ions flow in much more quickly, depolarizing that part ...

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by Nebulae
Tue Feb 26, 2008 8:18 am
 
Forum: Human Biology
Topic: The Physics of how the Myelin Sheath actually works.
Replies: 17
Views: 20864

Re: The Physics of how the Myelin Sheath actually works.

... pumped into the space during the recovery phase are trapped there, right next to the membrane, in significantly higher concentrations than in an unmyelinated axon (or the Schwann cell gaps) - when an action potential opens the gates, the ions flow in much more quickly, depolarizing that part ...

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by Darby
Mon Feb 25, 2008 8:59 pm
 
Forum: Human Biology
Topic: The Physics of how the Myelin Sheath actually works.
Replies: 17
Views: 20864

The Physics of how the Myelin Sheath actually works.

Hm, well in an unmyelinated nerve cell, the ions propagate through diffusion, not through a current, correct? Why is it different here? And why is it faster?

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by Nebulae
Sun Feb 24, 2008 9:03 am
 
Forum: Human Biology
Topic: The Physics of how the Myelin Sheath actually works.
Replies: 17
Views: 20864

The Fiber Disease

... conclusion........ I am ......ur......thinking that if the velocity is increased by some form of electrical stimilus.. from .7 to 2.3 m/sec.....in unmyelinated now consider from the above article: A 1 (conduction velocity 30-14 m/sec) — a relatively larger number of these fibers conducts excitation ...

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by Skytroll
Wed Oct 25, 2006 4:44 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5428611

The Fiber Disease

... Think this pertains, London? "Shaposhnikov and A. V. Zeveke Received: 31 January 1975 Abstract Afferent activity in thin myelinated and unmyelinated cutaneous nerve fibers was analyzed by an impulse collision method and by methods improving the signal-to-noise ratio in the record of ...

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by Skytroll
Wed Oct 25, 2006 4:28 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5428611
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