(In invertebrates such as coelenterates and flatworms) a diffuse network of neurons which conducts impulses in all directions from a point of stimulus.
- The cnidarian homolog of the nervous system is a nerve net that is largely ectodermal.
- These rhopalial ganglia presumably sort this information and then distribute it to the appropriate effectors, the swim musculature, via the distributed nerve net of the subumbrella.
- The nerve net has been implicated in the behavioral coordination amongst polyps in the colony.
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