In vivo

Refers to biological processes that take place within a living organism or cell.

The natural conditions in which organisms reside. Refers to biological processes that take place within a living organism or cell under normal conditions.

In the body. The opposite of in vitro (outside the body or in the laboratory).

Studies carried out in living organisms.

describes a state or condition that occurs and/or exists within the body. This term is often used to describe testing conditions that occur within humans and/or animals.

In the living subject; in a natural environment.