In vitro

It refers to studies in experimental biology that are conducted using components of an organism that have been isolated from their usual biological context in order to permit a more detailed or more convenient analysis than can be done with whole organisms:


In vitro

In vitro is a Latin word which means "within glass".

In contrast to in vitro, the term in vivo refers to work that is conducted with living organisms in their normal, intact state, while ex vivo refers to studies on functional organs that have been removed from the intact organism.

[source: http://en.wikipedia.org/wiki/In_vitro]

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