In vitro methods

Cells are being stored in liquid nitrogen
Photo: Doctors Against Animal Experiments


Culture media and flask for in vitro cell culture
Photo: Doctors Against Animal Experiments


Filling culture media in a flask for culturing cells
Photo: Doctors Against Animal Experiments


Assessing changes of cultured cells after having been exposed to a test substance
Photo: Doctors Against Animal Experiments


Skin cell cultures growing in these plastic vials can be used to assess the skin corrosivness of test substances
Photo: Doctors Against Animal Experiments


Cells are grown in drops of culture medium
Photo: Doctors Against Animal Experiments