in vivo

[in vee-voh]

adverb

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

in vivo

/ ɪn ˈviːvəʊ /

adverb

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

in vivo

1. Inside a living organism.

2. Compare in vitro

in vivo

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

Word History and Origins

Origin of in vivo¹

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

Word History and Origins

Origin of in vivo¹

New Latin, literally: in a living (thing)