Talk:Schwann cell

message: I've reworded the article slightly, and intend to add some sources when I have the time. I've also tried to upload an image, but I'm not sure how to put it in the article - it's here http://en.wikipedia.org/wiki/Image:Schwann.JPG . I made the image in 3dsmax and added the labels with photoshop, so if anyone suggests any changes I could make to it, let me know and it shouldn't be a problem. Hbdgaz 00:41, 13 December 2005 (UTC)
thread_title:  Images 

message: In Biological Psychology, 3rd ed by Rosenzweig, Breedlove & Leiman - page 35 - says that Schwann cells rarely cover more than 200 MICRONS i.e.  .2 milimeters (article states one milimeter).  
From the same: p 40-41, diagrams show perepheral nervous system axons in the human body.  Unless someone can come up with a reference on that my impression is that there are axons that run from the base of the skull as far as the length of the spinal column, talk to other neruon there (preganglionic axons), which in turn talk to cells in the ganglion, the axons of which may run the length of a limb.  Thus a 2 meter tall human would not have any 2 meter long axons.  If axons ran the length of the entire human body, there would be no difference between the central nervous system and peripheral nervous system.  Most mammals and vertebrates would have a similar neural arrangement (the book specifies that mammals have myelin, invertebrates do not, but does not talk about myelin in avians or reptiles for example).
Because myelin is found on axons in vertebrates, and vertebrates don't have axons running the length of the body, I'm removing the reference in this article to the fact that sometimes axons that are myelinated run the length of the body.  Some invertibrates may have axons that run the length of their body.  That is shown in the chapters on evolution, where differences are explained and validation for study/research & experiments with other critters is discussed.  Vertebrates don't have myelinated axons (p165), and I doubt they have Schwann cells, but that's not my forté. 
I am making corrections to the article and adding the reference.  The Crisses 02:41, 19 December 2005 (UTC)
thread_title:  length of Schwann-cell myelin sheaths 

message: This article was automatically assessed because at least one WikiProject had rated the article as stub, and the rating on other projects was brought up to Stub class. BetacommandBot 16:31, 10 November 2007 (UTC)
thread_title:  WikiProject class rating

message: Hi, while cleaning up small typos I stumbled across the word sitocryoligicality. This looks to me like a typo too, but I have no idea what it was intended to be.  —Preceding unsigned comment added by 88.130.222.172 (talk) 08:11, 2 January 2010 (UTC)
replies: text: That was part of a vandalism spree that was missed by the person who fixed it -- the original word was "immature", and I've put that back.  Thanks for pointing it out, Looie496 (talk) 16:33, 2 January 2010 (UTC)
thread_title:  sitocryoligicality? 

message: Today, under the "In the news" section of the home page, there was a short brief saying the following:
:Researchers announce that the likely origin of devil facial tumour disease (pictured), a transmissible cancer that has caused the population of Tasmanian Devils to decline significantly, is Schwann cells.
However, there is no mention of this finding under the Schwann Cell article. Having been in the home page, it would seem logical for this article to contain at least a reference, a note, of the discovery. Any comments/could someone add it please? --Canned Soul (talk) 18:00, 2 January 2010 (UTC)
thread_title:  Tasmanian Devlis 

message: The myelin sheath prevents ion leakage, but exactly why is this needed? Only in order to block leakage channels, or also ligand gated ion channels and parts of the membrane without ion channels?  — Preceding unsigned comment added by Ingelix (talk • contribs) 07:32, 3 September 2011 (UTC)
thread_title:  Lacks explanation 

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thread_title:  External links modified