Alveoli are the blind-ended air sacs which make up the lungs.
RFID:Image ID:B6DT41
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4961 x 3947 px | 42 x 33.4 cm | 16.5 x 13.2 inches | 300dpiPhotographer:
MOREDUN ANIMAL HEALTH LTD/SPLMore information:
andlt;strongandgt;Lung cancer.andlt;/strongandgt; Coloured scanning electron micro-graph (SEM) of a small cancerous tumour (blue)filling an alveolus of the human lung. Alveoli arethe blind-ended air sacs which make up the lungs.Here, the individual cancer cells are coated withmicroscopic, hair-like structures known asmicrovilli. A number of cancer cells can also beseen separated from the main tumour. The mostcommon cause of lung cancer is cigarette smoking.Magnification: x300 at 6x7cm size.