The gut-brain axis

Gut-brain axis: the bidirectional connection between the gut and the brain through the enteric and central nervous systems.

Gut Microbiota: all of the microorganisms that live in the gut

Enteric Nervous System: the network of nerves in the gut and is a subdivision of the autonomic nervous system

The vagus nerve: the longest cranial nerve that connects the gut and the brain, enabling them to communicate