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Non-myelinated nerve

Definition

noun

A nerve cell in which there is no myelin sheath surrounding its axon.


Supplement

The non-myelinated nerve cells pertains to any of the nerve cells without the myelin sheath along the axons. Compared to myelinated neurons, non-myelinated neuronss are slower in terms of conducting impulses and are found in the peripheral nervous system (especially visceral nervous system) and the gray matter of the nervous system.


Word origin: non- (without) + myelinated + neuron

Synonym:

Compare: myelinated neuron

See also: myelin


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Does other animals have faster nerve speeds?

The speed of nerve transmission depends on the size of the nerve axon, the length of it and whether it is effectively insulated by myelin. There are a vast number of different kinds of neurons in each animal, and for some there ...

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by Babybel56
Fri Feb 28, 2014 8:55 am
 
Forum: General Discussion
Topic: Does other animals have faster nerve speeds?
Replies: 1
Views: 311

Does other animals have faster nerve speeds?

i was thinking, though animals do not have a long chain of thought (ie, stimulus -> brain ->memory -> action); would they have faster nerves speeds or brain speeds, if they had faster brains with low capacity; and if fast enough (relativity) then would they hear sound in a lower frequency? ...

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by 1832vin
Wed Feb 05, 2014 9:39 pm
 
Forum: General Discussion
Topic: Does other animals have faster nerve speeds?
Replies: 1
Views: 311

Action potentials of an earthworm going negative first

... called audacity to record the action potentials. A bit more information on the earthworm if it at all influences this is that they have 3 main nerve cords where all the nerves bundles are held, 2 of them carrying the signals down the worm and the other transmitting them to the front. Thanks ...

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by IsDolan
Mon Jan 20, 2014 3:28 am
 
Forum: General Discussion
Topic: Action potentials of an earthworm going negative first
Replies: 2
Views: 373

Human Collembola Infestations

... in the morning 10mg. It took a month but I finally don't feel a thing. He explained that I had a bad reaction to something. I never knew that the nerve endings under my skin can make me feel like I have bugs jumping and crawling on me. He said we have nerves all under our skin and when they get ...

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by sunshine123
Mon Jan 13, 2014 6:50 pm
 
Forum: Human Biology
Topic: Human Collembola Infestations
Replies: 40
Views: 91369

Human Collembola Infestations

Well, back from the allergist and he said that we both have something wrong with the nerve endings and told us to take zyrtec 10mg allergy once at night for two weeks and if we don't feel better we have to have further testing. My god this better work.

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by sunshine123
Fri Dec 27, 2013 11:37 am
 
Forum: Human Biology
Topic: Human Collembola Infestations
Replies: 40
Views: 91369
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