Since presentation of the concepts of the immotile cilia syndrome, much attention has been paid to function and structure of respiratory cilia, many authors have pointed out that ultrastructural abnormality of cilia was attributed to the immotility of cilia.
We investigated a woman suspected of the immotile cilia syndrome by electron microscopy, cross sections of cilia obtained from respiratory tract showed lack of dynein arms, radial spokes and central sheath, moreover so-called compound cilia
