Part 1 Basic science: dynein regulation ciliary regulation modelling of ciliary function basic aspect of mucus. Part 2 Clinical practice: mucociliary clearance in various septal deformities clinical studies in human tubal structures mucociliaryfunction of respiratory epithelium - human and animal studies bridging the gap between airway ion transport and mucociliary clearance laboratory and clinical studies of mucus airway bacteria and mucus production medical modulation of mucus definitionand diagnosis of primary and secondary mucociliary dysfunction biochemical and pharmacological regulation of mucociliary activity mucociliary clearance in paranasal sinuses miscellaneous ciliary function diagnosis, treatment and prevention ofmucociliary dysfunction. (Part contents).