Dictionary » G » Ganglia

Ganglia

Definition

noun, singular: ganglion

(neuroanatomy) Mass of nerve tissue; a group of nerve cell bodies, especially nerve cells external to the brain or spinal cord.


Supplement

In vertebrates the ganglia are located outside the brain or spinal cord.

There are two major groups of ganglia:


Word origin: From Greek, cystlike tumor, nerve bundle.
Related forms: ganglial (‘’adjective’’)

Related terms:


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spinal nerves

I have some question on spinal cord and its nerves: 1. Are in sympathetic trunk sympathetic ganglia? 2. Whic are neurotransimters in sensory gangia?(If any ?) 3. What exactly does it mean that some nerve has contribution from for example:C5-C8, T1?(anatomicaly) Thax for ...

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by kapital
Tue Jan 08, 2013 10:54 pm
 
Forum: Human Biology
Topic: spinal nerves
Replies: 2
Views: 1998

Neurons, Cocaine, and Shingles

... events requires a motor neuron? a) 1 and 2 b) 2 and 3 c) 1 and 3 d) 1,2, and 3 3. Shingles is caused by Herpes Zoster infection of the dorsal root ganglia. This disease would affect a) Motor impulses moving into the spinal cord b) Motor impulses moving out of the spinal cord c) Sensory impulses ...

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by homeworkdisaster
Sun Jun 10, 2012 8:11 pm
 
Forum: Human Biology
Topic: Neurons, Cocaine, and Shingles
Replies: 4
Views: 4351

Re:

... so I will not fantasize about that any more. Another thing might be that for the farthest of our vertebrate ancestor was one with a single nerve ganglia (sp?) and that we have been stuck with that plan since then, has adding one (or more) new brain, would have been too massive a re-engineering ...

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by canalon
Tue Nov 08, 2011 1:46 am
 
Forum: Evolution
Topic: Evolution of the nervous system
Replies: 14
Views: 7210

Re: GI tract and enteric nervous system

... term enteric nervous system is simply a good easy way to classify the gut into its own nervous system. It really is just filled full of nerves and ganglia that help to regulate the huge amount of business down there. Now, delving into what is an enteric system. Being part of the autonomic system ...

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by daniel.kurz
Fri Oct 28, 2011 6:31 am
 
Forum: Human Biology
Topic: GI tract and enteric nervous system
Replies: 1
Views: 6363

Why do neurons form into clusters?

What causes nerve cells to form into clusters/ganglia, and what are the advantages of cell clusters?

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by angelo
Mon Mar 01, 2010 4:31 am
 
Forum: General Discussion
Topic: Why do neurons form into clusters?
Replies: 0
Views: 1216
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