(in invertebrates such as coelenterates and flatworms) a diffuse network of neurons which conducts impulses in all directions from a point of stimulus.
Example sentencesExamples
- Here in this marine polyp with the primitive nerve net is clearly exhibited one of the most pervasive phenomena of the animal kingdom - decrement of response with repeated stimulation (habituation).
- 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 nets for these areas would be good antennae.
- The nerve net has been implicated in the behavioral coordination amongst polyps in the colony.