graph(Noun) An ordered pair , where is a set of elements called vertices (or nodes) and is a set of pairs of elements of , called edges; informally, a set of vertices together with a set edges that join these vertices.
Clubbing is an enlargement of the ends of the fingers and a downward sloping of the nails. Although it's not caused by chronic obstructive pulmonary disease (COPD), it can be a sign of coexisting lung cancer or other lung disorders in patients with COPD. Clubbing is sometimes called digital clubbing. It can affect the fingers and/or toes.
In case your nails are affected by a fingernail fungus called Tricophyton rubrum, they might emit an unpleasant odor. Discoloration and damage to the nail bed can also be caused by a bacterium called Pseudomonas. This bacterial infection causes the color of the fingernails to turn green.he color of the nails turns yellow or yellowish-green. The nails grow at a very slow rate. Sometimes, the nails could also separate from the nail bed. Sinusitis, pleural effusions, and lymphedema are some of the medical conditions that are associated with yellow nail syndrome.