Strictly speaking, in vivo means "in a living [organism]"; "in life" would be in vita (not a term used for a kind of test). https://en.wiktionary.org/wiki/vivu

Strictly speaking, in vivo means "in a living [organism]"; "in life" would be in vita (not a term used for a kind of test). https://en.wiktionary.org/wiki/vivus#Latin https://en.wiktionary.org/wiki/vivus#Latin https://en.wiktionary.org/wiki/vita#Latin https://en.wiktionary.org/wiki/vita#Latin