in vivo

[in vee-voh]

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 the Latin word in vīvō in (something) alive

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vivo

Historical Examples of vivo

One should not, for example, confuse habeo with abeo; or bibo and vivo.
The Mediaeval Mind (Volume I of II)
Henry Osborn Taylor
A man is zonzo or vivo—a fool or more than capable—there is no medium.
The Argentine in the Twentieth Century
Albert B. Martinez
How vivo affected aiming is easily seen: with its bore level, a 4-pounder falconet ranged 250 paces.
Artillery Through the Ages
Albert Manucy
In this case then the condition of the blood in vivo is satisfactorily explained by the absence of function of bone-marrow.
Histology of the Blood
Paul Ehrlich
The figure is just as Vasari describes it, ritratto dal' vivo e senza artificio niuno.
The Earlier Work of Titian
Claude Phillips

British Dictionary definitions for vivo

vivo

adjective, adverb

music (in combination) with life and vigourallegro vivo

Word Origin for vivo

Italian: lively

in vivo

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

Word Origin and History for vivo