Situs inversus and ciliary abnormalities. What is the connection?

Abstract excerpt

The finding of men with living but immotile sperm tails has initiated a search for the cause of the disorder. The sperm tails were found to lack dynein arms or to have some other ultrastructurally visible defect and the cilia were found to have the same defects. The disorder was hence named the immotile-cilia syndrome. Two more groups with the same clinical symptoms were later found, characterized by ciliary...