Term	Definition
Microbiota	The collection of all the microorganisms residing in and on the body, including bacteria, archaea, protists, fungi, and viruses
Microbiome	The aggregate of all the genetic material of the microbiota
Estrobolome	The total collection of genes, in the gut microbiota, responsible for estrogen metabolism
Metabolome	The total collection of metabolites in a given environment
Dysbiosis	Imbalance or impairment of the microbiota, characterized by gain of pathogenic microbes or loss of probiotics
Prebiotic	Compounds that promote growth and activity of beneficial microorganisms
Probiotic	Live microorganisms that are beneficial to host health