in vivo
adverb or adjective
in vi·vo
in-ˈvē-(ˌ)vō 
-ˈwē-(ˌ)wō
: in the living body of a plant or animal
Examples of in vivo in a Sentence
Recent Examples on the Web
Gene editing inside the body or in vivo is now an achievable goal.
—
Dana Taylor, USA TODAY, 20 June 2024
Another technique, in vivo exposure, forces you to directly face the object of your fear; perhaps climbing onto a stationary plane.
—Angela Haupt, TIME, 10 May 2024
The combination was developed because the effects in vivo were better than the single molecules alone.
—Alex Zhavoronkov, Forbes, 29 Feb. 2024
What’s more, the Stanford team used a machine learning algorithm to show that the effects seen in their in vitro experiments also seem to be occurring in living cells (that is, in vivo).
—Philip Ball, Quanta Magazine, 14 Feb. 2024
See all Example Sentences for in vivo 
Dana Taylor, USA TODAY, 20 June 2024
Another technique, in vivo exposure, forces you to directly face the object of your fear; perhaps climbing onto a stationary plane.
—Angela Haupt, TIME, 10 May 2024
The combination was developed because the effects in vivo were better than the single molecules alone.
—Alex Zhavoronkov, Forbes, 29 Feb. 2024
What’s more, the Stanford team used a machine learning algorithm to show that the effects seen in their in vitro experiments also seem to be occurring in living cells (that is, in vivo).
—Philip Ball, Quanta Magazine, 14 Feb. 2024
See all Example Sentences for in vivo
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'in vivo.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“In vivo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20vivo. Accessed 4 Jul. 2024.
Copy CitationKids Definition
in vivo
adverb or adjective
in vi·vo
in-ˈvē-(ˌ)vō
-ˈwē-(ˌ)wō
: inside the living body of a plant or animal
in vivo activity
Etymology
Latin, literally, "in the living"
Medical Definition
in vivo
adverb or adjective
in vi·vo
in-ˈvē-(ˌ)vō
1
: in the living body of a plant or animal
in vivo synthesis of DNA
microorganisms are not ordinarily destroyed in vivo{/qi} by bacteriostatic drugs—The Journal of the American Medical Association
The Journal of the American Medical Association2
: in a real-life situation
observing a patient's behavior in vivo
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