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.
If you leave on nail polish for too long or if you use too much remover, your nails can become dry and develop onycholysis. Also, trauma to the nail bed because of manicuring tools can cause onycholysis.Too much moisture can cause onycholysis as well.eople who wear their nails very long or wear fake fingernails are more likely to have onycholysis, a painless separation of the nail from the nail bed. Also known as nail lifting, it can be a sign of the skin disease psoriasis or a fungal infection.