In vitro

In Vitro
Testing or action outside an organism (e.g., inside a test tube or culture dish.)
In Vivo ...

In vitro: Literally, 'in glass,' i.e., in a test tube or in the laboratory; the opposite of in vivo (in a living organism).
In vivo: In a living organism, as opposed to in vitro (in the laboratory).

in vitro
antonym in vivo
In glass, referring to a study in the laboratory usually involving isolated organ, tissue, cell, or biochemical systems.

In vitro
In an artificial environment outside a living organism or body. For example, some toxicity testing is done on cell cultures or slices of tissue grown in the laboratory, rather than on a living animal [compare with in vivo].

in vitro In glass; a laboratory experiment performed in a test tube or other vessel.
in vitro studies Studies of chemical effects conducted in tissues, cells, or subcellular extracts from an organism (i.e., not in the living organism).

in vitro : In glass; a laboratory experiment performed in a test tube or other vessel.
in vivo : With in a living organism; a laboratory experiment performed in which the substance under study is inserted into a living organism.

In vitro: Within an artificial environment [literally “in glass'].
In vivo: Within a living organism.
Incidence: Rate of new cases of disease occurrence.

of kinds, quantities, or concentrations and, in some cases, the locations of radioactive material in the human body, whether by direct measurement (in vivo counting) or by analysis and evaluation of materials excreted or removed (in vitro) from the ...

See also: Toxic, Agent, Environment, Organism, Environmental