What is the ENS, and when was it discovered? What is its significance, what is its nickname, and what are the characteristics that justify that nickname?
What will be an ideal response?
ENS is the enteric nervous system, discovered over 100 years ago. The ENS controls reflexive peristalsis in the intestine, independent of the CNS. The ENS is nicknamed the "little brain" because it shares these characteristics with the actual brain: secretion of neurotransmitters and neuromodulators, and the presence of glial cells, a diffusion barrier, and integrating centers.
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