Talk:Myelin

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I[edit]

I am interested in knowing if there is some research concerning "myelin"--"autism"--and extreme communication difficulties. That is speech initiation.

Electrical Properties - more specificity[edit]

I think it might be worthwhile to mention that myelin increases resistance *across the membrane* specifically, because when you talk about the resistance in an axon, it could be the axial resistance or the membrane resistance. —The preceding unsigned comment was added by 128.54.210.152 (talk) 03:26, 5 February 2007 (UTC).[reply]

Furthermore, for someone who doesn't fully understand biophysics, resistance is bad. So when you have a line like "The main consequence of a myelin layer (or sheath) is an increase in the speed...Myelin increases resistance across the cell membrane by a factor of 5,000 ", it seems like a contradiction. And even this is contradictory "The main consequence of a myelin layer (or sheath) is an increase in the speed...Along unmyelinated fibers, impulses move continuously as waves, but, in myelinated fibers, they hop". I alwyas imagined continuous waves to be faster than "hopping" waves. Paskari (talk) 16:46, 2 July 2008 (UTC)[reply]

shrimp myelination[edit]

perhaps there should be a section about myelination in non vertibrates? it is mentioned in the introduction, but this is a really interesting field as myelin was long held to be hallmark of higher order organisms,

this is a good review if anyone is interested

FENESTRATION NODES AND THE WIDE SUBMYELINIC SPACE FORM THE BASIS FOR THE UNUSUALLY FAST IMPULSE CONDUCTION OF SHRIMP MYELINATED AXONS KE XU (KE HSU) ANDSUSUMU TERAKAWA

The Journal of Experimental Biology 202, 1979–1989 (1999)

--Dylan2106 10:49, 14 May 2007 (UTC)[reply]

HEY THIS LIES!! —Preceding unsigned comment added by 151.203.15.180 (talk) 22:39, 27 November 2007 (UTC)[reply]

human development[edit]

It might be useful to have something in here about myelination in human infants.--76.93.42.50 (talk) 02:05, 23 February 2008 (UTC)[reply]

I second that —Preceding unsigned comment added by 85.74.156.128 (talk) 18:05, 5 April 2010 (UTC)[reply]

Or, more specifically the three times in human development that it happens. —Preceding unsigned comment added by 69.129.126.97 (talk) 22:11, 31 January 2011 (UTC)[reply]

I can't even believe there isn't a section on this. Andrewtheart (talk) 23:54, 20 March 2011 (UTC)[reply]

It isn't there for the simple reason that nobody has yet written it. If you folks care so much, one of you should write it. None of us are getting paid for this stuff, so nobody is obligated. Looie496 (talk) 01:16, 21 March 2011 (UTC)[reply]

Cystic Fibrosis[edit]

http://now.uiowa.edu/2013/02/study-suggests-cystic-fibrosis-affects-nervous-system

New research finding that CF affects myelination. Can someone add it to the article? — Preceding unsigned comment added by 70.40.183.46 (talk) 18:36, 7 April 2013 (UTC)[reply]

Redirect from medullated[edit]

As per http://www.thefreedictionary.com/medullated Medullated redirects here. CFCF (talk) 15:58, 23 November 2013 (UTC)[reply]

Meaning of μm/m2[edit]

I can't figure out what these units are. It's in the Function section "Myelinated fibers lack voltage-gated ion channels (approximately 25 μm/m2)".

Is it micrometers per square meter? Then the numbers seem many orders of magnitude too small... Nothing makes sense. 98.201.240.250 (talk) 17:05, 6 October 2014 (UTC)[reply]

I didn't understand it either and deleted it. Apologies to the author. — Preceding unsigned comment added by Julia Edgar (talk • contribs) 09:46, 25 July 2018 (UTC)[reply]

Main image doesn't display correctly[edit]

The text labels aren't in the right place on phone screens for the main (1st) image. Thank you. Belvey (talk) 10:32, 3 November 2016 (UTC)[reply]

External links modified (February 2018)[edit]

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Connection to amplified pain syndromes[edit]

Hi. I have an amplified musculoskeletal pain syndrome. This means that my nerves send pain signals in response to stimuli that shouldn’t warrant such a response. One of my doctors recently told me that research shows part of the process of pain amplification is the growth of excess myelin sheath to literally grease the nerve pathways that cause pain, making those pathways easier to trigger. I don’t want to take the time to research it extensively, but if one of you is looking for a project I think this information would be a worthy addition to this page. Let me know your thoughts. Science Is My Life (talk) 00:23, 10 February 2018 (UTC)[reply]

Lead[edit]

The lead is too long and too detailed, and needs to cover major items detailed in the body of the text. The body of the text ought to have the details - neurofilaments amongst others are not mentioned in the body.--Iztwoz (talk) 22:10, 26 July 2018 (UTC)[reply]

@Julia Edgar: I agree with Iztwoz. The lead is way too long. I made a first pass attempt to reduce the size of the lead by splitting out some of the material into subsections. But more work is need so that the lead summarizes the entire article. Boghog (talk) 09:47, 28 July 2018 (UTC)[reply]