A form of pneumoconiosis, or fibrotic lung disease, in which long-standing inhalation of fine silica dusts in mining causes a progressive reduction in the functional capacity of the lungs. The normally thin-walled alveolus and small bronchioles become thickened with fibrous tissue and the lungs lose their elasticity. Characteristic X-ray appearances and changes in lung function appear.
Related category HEALTH AND DISEASE
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