From Wikipedia, the free encyclopedia. The following is a list of the world's largest cruise ships over 100,000 gross tonnes, including ships that are in service, under construction, and out of service.Ships are ranked by gross tonnage.rom Wikipedia, the free encyclopedia. The following is a list of the world's largest cruise ships over 100,000 gross tonnes, including ships that are in service, under construction, and out of service. Ships are ranked by gross tonnage.
Advanced clubbing is obvious, but early clubbing may be difficult to diagnose. Clubbing is present if the transverse diameter of the base of the fingernail is greater than the transverse diameter of the most distal joint of the digit. The nail base angle measures more than 160Â°.
clubbing is enlargement of the tips of the fingers or toes and a change in the angle where the nails emerge clubbing occurs when the amount of soft tissue beneath the nail beds increases it is not clear why the soft tissue increases but it may be related to the levels of proteins that stimulate blood vessel growth clubbing occurs in some lung disorders lung cancer lung abscess pulmonary fibrosis and bronchiectasis but not in others pneumonia asthma and chronic obstructive pulmonary disease clubbing also occurs in some congenital heart disorders and liver disorders