Question

vitro cultures meaning biology

Answer 1

In vitro comes from the Latin term "in glass." The term refers to studies of biological properties that are done in a test tube (i.e. in a glass vessel) rather than in a human or animal.In vitro studies are often contrasted to in vivo ("in life") studies which are done inside an organism.

Answer 2

In vitro (meaning: in the glass) studies are performed with microorganisms, cells, or biological molecules outside their normal biological context. ... In contrast to in vitro experiments, in vivo studies are those conducted in animals, including humans, and whole plants.