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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
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
Researchers and clinicians can use it to measure oxygen saturation in vivo and identify intracellular proteins associated with specific diseases.
—William A. Haseltine, Forbes, 15 Feb. 2024
New technologies allowing in vivo delivery of gene-editing therapies and improved manufacturing will be key to driving prices down, as will unique partnerships between universities, government, and industry, brought together with affordability as a common goal.
—Jennifer Doudna, WIRED, 8 Jan. 2024
Feinberg added that once this technology is tested in vivo, or in the body, there might be some regulatory hurdles with the biomaterials being used and how it could be regulated by the Food and Drug Administration.
—Deborah Balthazar, STAT, 7 Dec. 2023
To test the in vivo effect short term the team injected T cell leukemia cells into mice and followed three days later with normal and activated T cells, CAR T cells, or STAb cells.
—William A. Haseltine, Forbes, 13 Feb. 2023
Parker learned this type of in vivo imaging during a postdoc as a Pfizer employee doing research at Stanford University with Mark Schnitzer, a biophysicist who pioneered the method to study neurons more generally.
—WIRED, 7 Aug. 2023
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.
Word History
Etymology
New Latin, literally, in the living
First Known Use
1901, in the meaning defined above
Dictionary Entries Near in vivo
Cite this Entry
“In vivo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20vivo. Accessed 13 Jun. 2024.
Kids 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
2
: in a real-life situation
observing a patient's behavior in vivo
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