Answer:
Clubbing is the selective bulbous enlargement of the distal segment of a digit and is commonly associated with diseases that interfere with oxygenation of the blood.
Explanation:
Clubbing is defined as the bulbus enlargement of the terminal phalanges due to proliferation of connective tissue between fingernail and bone.
It is commonly associated with the cases that interfere with the oxygenation of the blood as mentioned below the causes of clubbing :
1) Cyanotic Heart disease
2) Cystic fibrosis
3) Lung cancer
4) Lung Abscess
5) Ulcerative collitis
6) Bronchiectesis
7) Benign mesothelioma
8) Infective endocarditis
9) Idiopathic pulmonary fibrosis
10) Neurogenic tumors
11) Gastrointestinal discomfort
