The generation of ciliary motion.
D000818:Animals; D002696:Chlamydomonas / Q000502:physiology* / Q000648:ultrastructure; D002923:Cilia / Q000502:physiology*; D008954:Models, Biological; D009068:Movement; D010247:Paramecium / Q000502:physiology* / Q000648:ultrastructure; D013768:Tetrahymena / Q000502:physiology* / Q000648:ultrastructure