abnormal cilium physiology abnormal motile cilium physiology MP:0013209 MPheno.ontology abnormal microtubule-based flagellum physiology abnormal motile cilia physiology abnormal motile secondary cilium physiology any structural anomaly of a cilium which has a variable arrangement of axonemal microtubules, contains molecular motors, and beats with a characteristic whip-like pattern that promotes cell motility or transport of fluids and other cells across a cell surface; motile cilia are typically found in multiple copies on epithelial cells that line the lumenal ducts of various tissues and may also function as sensory organelles