in vivo is an adjective and adverb meaning "of a biological process occurring within a living organism". It carries 2 recorded senses.
of a biological process occurring within a living organism
“in vivo techniques”
biology
in the living organism
“studies conducted in vivo”
Definitions, synonyms and semantic relations for in vivo come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.