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Normal Human Lung

Notice the open network of air passages and alveoli and the thin walls of the alveoli. 

Normal lung (40X2.0)                                                                      Normal lung (40X2.0)
Note part of large vessel (far left) and large airway         
(lower right)

Normal lung (100X2.8)                                                                      Normal lung (400X2.8)
                                                                                                  Note capillaries containing RBCs (red cells
                                                                                                  without nuclei) in the alveolar membranes.   

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Copyright 2004 - Augustine G. DiGiovanna - All rights reserved.

This material may not be reproduced or distributed in any form or by any means, or stored in any data base or retrieval system without prior written permission is obtained from Augustine G. DiGiovanna, Ph.D.,  Professor of Biology, Salisbury University, Salisbury, MD  21801.