in vivo

[ in vee-voh ]

adverb, adjective
  1. (of a biological process) occurring or made to occur within a living organism or natural setting.: Compare in silico, in vitro.

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Origin of in vivo

1
First recorded in 1900–05; from Latin in vīvō “in (something) alive”

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for in vivo

in vivo

/ (ɪn ˈviːvəʊ) /


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

Origin of in vivo

1
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

Scientific definitions for in vivo

in vivo

[ ĭn vē ]


  1. 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.