in vivo
/ɪn ˈviːvəʊ
/adverb & adjective Biology
(Of processes) performed or taking place in a living organism: [as adverb]: fluid transport was measured in vivo [as adjective]: in vivo studies in animals...The opposite of in vitro.
- Resin plates were contaminated in vivo upon intraoral use by 10 volunteers for 7 nights.
- An in vivo human bronchial xenograft model system was used to simultaneously analyze electrolyte and fluid transport defects in fully differentiated human cystic fibrosis (CF) and non-CF proximal airways.
Origin
Early 20th century: Latin, literally 'in a living thing'.