Thursday, October 31, 2019


Microbiome: The human microbiome includes all bacteria, fungi, and protozoa that live in and on the human body. The term reportedly was coined by Joshua Lederberg, who pointed out the  importance of microorganisms inhabiting the human body in both health and disease. Estimates are that the human body contains more microbial cells than human cells—say 30 trillion cells and 40 trillion microorganisms.  Living microorganisms, they are far too tiny to be seen without the aid of powerful electron microscopy equipment. There are differing types including the microbiome in the GI or gastrointestinal system; the skin microbiome, the vaginal microbiome, and so on. Each are structurally distinct and play a different role within their local environment. (Some want to include viruses in this category but others consider them to be separate, part of the virome.)

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