First Known Use: 1901
Dictionary
in vivo
adverb or adjective in vi·vo \in-ˈvē-(ˌ)vō, -ˈwē-(ˌ)wō\
Definition of IN VIVO
: in the living body of a plant or animal
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Origin of IN VIVO
New Latin, literally, in the living
Medical Dictionary
in vivo
adverb or adjective in vi·vo \in-ˈvē-(ˌ)vō\
Medical Definition of IN VIVO
1
: in the living body of a plant or animal <in vivo synthesis of DNA> <microorganisms are not ordinarily destroyed in vivo by bacteriostatic drugs—Journal of the American Medical Association>
2
: in a real-life situation <observing a patient's behavior in vivo>
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