Psychobiome
noun ·Rare ·Advanced level
Definitions
- 1 A part of the microbiome inside the human gut which is able to influence processes in the brain.
"Could this affect how people think and feel? Evidence is mounting for a link between the gut and the brain in what is termed the psychobiome—part of the microbiome—that does just that. The substances that the various bacteria, viruses and fungi produce may go directly into the bloodstream and infiltrate blood vessels, or they may stimulate the vagus nerve that connects the gut and the brain."
Example
More examples"Could this affect how people think and feel? Evidence is mounting for a link between the gut and the brain in what is termed the psychobiome—part of the microbiome—that does just that. The substances that the various bacteria, viruses and fungi produce may go directly into the bloodstream and infiltrate blood vessels, or they may stimulate the vagus nerve that connects the gut and the brain."
Etymology
From psycho- + biome.
More for "psychobiome"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.