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Coloured SEM of lung showing alveoli and bronchus
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Coloured SEM of lung showing alveoli and bronchus
Lung alveoli and bronchus. Coloured Scanning Electron Micrograph (SEM) of lung tissue, showing alveoli, a bronchus, and a pulmonary blood vessel. At right is a bronchus (blue), a branching air tube. Beside it is a blood vessel (red) with smooth endothelial surface through which blood passes. Lung tissue (yellow) has a spongy appearance, and is made up of alveoli air sacs whose interstital walls are lined with blood capillaries. Air passes from the bronchus into alveoli where the gases of carbon dioxide and oxygen pass out of, and into, the blood during respiration. Magnification: x47 at 6x7cm size. Magnification: x60 at 4x5 inch size
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Media ID 6422840
© PROF. P. MOTTA/DEPT. OF ANATOMY/UNIVERSITY LA SAPIENZA , ROME/SCIENCE PHOTO LIBRARY
Air Sac Alveolus Bronchus Lung Lungs Respiratory System
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