1. In the living organism
   "studies conducted in vivo"

1. Within a living organism
   "in vivo techniques"

Antonym: in vitro

Encyclopedia: In vivo

• trematode worm
• tremble
• trembler
• trembles
• trembling
• Tremella
• Tremella foliacea
• Tremella fuciformis
• Tremella lutescens
• Tremella reticulata
• Tremellaceae
• Tremellales
• tremendous
• tremendously
• tremie
• tremolite
• tremolo
• tremor
• tremulous
• tremulously
• trenail
• trench
• trench coat
• trench fever
• trench foot