in vivo

American  

[in vee-voh] / ɪn ˈvi voʊ /

adverb

1. (of a biological process) occurring or made to occur within a living organism or natural setting.

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in vivo British  

/ ɪn ˈviːvəʊ /

adverb

1. (of biological processes or experiments) occurring or carried out in the living organism

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in vivo Scientific  

/ ĭnvē′vō /

1. Inside a living organism.

2. Compare in vitro

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in vivo Cultural  

1. In nature; literally, “in life.” In vivo conditions are distinguished from those that might exist only in a laboratory. (Compare in vitro.)

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Etymology

Origin of in vivo

First recorded in 1900–05; from Latin in vīvō “in (something) alive”

Compare meaning

How does in-vivo compare to similar and commonly confused words? Explore the most common comparisons:

• in vivo vs. in vitro

Example Sentences

The company website shows Lilly is currently hiring for roles in its research division relating to in vivo pharmacology.

From Barron's

The approach, known as in vivo CAR-T therapy, engineers a patient’s own immune cells to fight diseases inside the body.

From Barron's

Future studies will focus on testing the biological effects of the newly discovered trace diterpenes and evaluating their safety and effectiveness in vivo.

From Science Daily

But a new generation of biotech companies is making gene therapy more accessible through in vivo approaches, in which lentiviral vectors deliver genetic instructions directly inside the body.

From The Wall Street Journal

First, they carefully recreated the TCR's in vivo membrane environment using the right lipid mixture.

From Science Daily