in vivoin vi·vo
occurring within the living organism
Origin of in vivoL, literally , in one that is living
Within a living organism: metabolic studies conducted in vivo; in vivo techniques.
Origin of in vivoNew Latin in v&imacron;v&omacron; : Latin in, in + Latin v&imacron;v&omacron;, ablative of v&imacron;vus, living, a living body.