1 Introduction 2 Historical Developments of Cell and Tissue Culture Techniques 3 Callus Cultures 3.1 Establishment of a Primary Culture from Explants of the Secondary Phloem of the Carrot Root 3.2 Fermenter Cultures 3.3 Immobilized Cell Cultures 3.4 Nutrient Media 3.5 Evaluation of Experiments 3.6 Maintenance of Strains, Cryopreservation 3.7 Some Physiological, Biochemical, and Histological Aspects 4 Cell Suspension Cultures 4.1 Methods to Establish...