Biological tissue cultures for medical purposes; Cell growth media for growing cells for medical or clinical use; Cells for medical or clinical use; Depuratives for the body; Gases for medical and dental use; Medical and surgical dressings; Nutritional meal replacement bars adapted for medical use for individuals undergoing medical treatments; Nutritive substances for microorganisms for medical purposes; Solutions for medical and clinical use in storing and treating cells, blood and blood components; Stem cells for medical purposes; Synthetic cholesterol mainly for use in growing cell cultures