In vitro

In vitro (Latin: "within glass") means within a test tube, or, more generally, outside a living organism or cell. An example is in vitro fertilisation. Alternatives of in vitro include in vivo and in silico: within an organism, and computational, respectively. As many experiments that deal with molecular biology are conducted outside of organisms or cells, and the conditions do not necessarily represent the conditions inside the cell, results are often annotated with in vivo, in vitro, or in silico, as applies.

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Latin: Latin is an Indo-European language originally spoken in the region around Rome called Latium. It gained great importance as the formal language of the Roman Empire. All Romance languages are descended from Latin, and many words based on Latin are found in other modern languages such as English. The ...

Test tube: A test tube (Sometimes culture tube) is a kind of laboratory glassware, composed of a fingerlike length of glass tubing, open at the top, sometimes with a rounded lip at the top, and a rounded 'U' shaped bottom....

Organism: In biology and ecology, an organism (in Greek organon = instrument) is an assembly of organs that influence each other in such a way that they function as a more or less stable whole and have properties of life....