Apr 6, 2014
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The change which takes place in the lungs and bronchial glands of coal-miners, and others, who inhale coal-dust constantly. The lungs are amazingly efficient in coping with this problem; during a working lifetime a coal-miner may inhale around 5,000 grams of dust, but at POST-MORTEM EXAMINATION it is rare to find more than about 40 grams in the lungs. The affected tissues change in colour from greyish pink to jet black, owing to loading with minute carbon particles. (See PNEUMOCONIOSIS.)

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Medical Dictionary

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