What are in vitro tests and their limitations and applications?what are the methods or test available for testing efficacy and safety of drug. what are thier limitations and applications.

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lynn30k eNotes educator| Certified Educator

In vitro tests are done in test tubes or petri dishes; in vivo is the opposite, and literally means that it is done in a living organism.

The advantages of in vitro tests are that they can be done quickly and cheaply; tests can be done on different types of cells in vitro that could not ethically (or easily) be done on animals. A disadvantage is that because the test is NOT done on a complete organism, the results obtained may not apply in an intact plant or animal because of other systems functioning in the organism.

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