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Rat lung alveoli, SEM
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Rat lung alveoli, SEM
Rat lung alveoli. Coloured scanning electron micrograph (SEM) of a section of a rat lung. Alveolar ducts (the larger passages) are surrounded by alveolar air sacs, which are clusters of alveoli. The alveoli provide the interface where gas transfer to and from the blood may occur. Several nearby alveoli may share the same connective tissue and blood capillaries. Magnification unknown
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Media ID 6449933
© SUSUMU NISHINAGA/SCIENCE PHOTO LIBRARY
Alveoli Alveolus Animal Body Coloured Sem Duct Ducts Lung Mammal Respiratory System Rodent
EDITORS COMMENTS
This print from Science Photo Library showcases the intricate beauty of rat lung alveoli. In this colored scanning electron micrograph (SEM), we are granted a mesmerizing glimpse into the complex anatomy of a rat's respiratory system. The image reveals alveolar ducts, which serve as larger passages, encircled by clusters of alveolar air sacs known as alveoli. The significance of these tiny structures becomes apparent when considering their vital role in gas exchange. Alveoli act as the interface where oxygen and carbon dioxide are transferred to and from the bloodstream. This process is essential for sustaining life, making the delicate nature of these interconnected chambers all the more remarkable. What makes this SEM particularly intriguing is its ability to capture multiple nearby alveoli sharing connective tissue and blood capillaries. This emphasizes both the efficiency and complexity of our respiratory systems, highlighting how various components work together seamlessly to ensure proper functioning. While we don't know the exact magnification used in capturing this image, it serves as a testament to the power of scientific imaging techniques in revealing hidden wonders within our bodies. Through this photograph, we gain an appreciation for not only rat lung anatomy but also for mammalian respiration overall.
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