In vitro

describes a state or condition that occurs and /or exists outside the body. This term often refers to testing conditions that occur in a laboratory environment.

Latin for "in glass"; in a laboratory dish or test tube; an artificial environment.

Literally, "in glass;" in a laboratory dish or test tube; an artificial environment.

(in VEE-troh) In the laboratory (outside the body). The opposite of in vivo (in the body).

Outside the organism, or in an artificial environment. Applied for example to cells, tissues or organs cultured in glass or plastic containers.

Studies performed outside a living organism such as in a laboratory.