mucoviscidosis
     n : the most common congenital disease; the child's lungs and
         intestines and pancreas become clogged with thick mucus;
         caused by defect in a single gene; there is no cure [syn:
          {cystic fibrosis}, {CF}, {fibrocystic disease of the
         pancreas}, {pancreatic fibrosis}]
Source: WordNet® 2.0