in vivo

[ in -vee-voh ]
/ ɪn ˈvi voʊ /

adverb, adjective

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

Origin of in vivo

First recorded in 1900–05, in vivo is from Latin in vīvō “in (something) alive”
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for in vivo

in vivo
/ (ɪn ˈviːvəʊ) /

adverb, adjective

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

Word Origin for in vivo

New Latin, literally: in a living (thing)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for in vivo

in vivo
[ vēvō ]

adj.

Within a living organism.

Other words from in vivo

in vivo adv.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for in vivo

in vivo
[ ĭn vēvō ]

Inside a living organism. Compare in vitro.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for in vivo

in vivo
[ (in vee-voh) ]

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

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.