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Lung blood vessel, SEM
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Lung blood vessel, SEM
Lung blood vessel. Coloured scanning electron micrograph (SEM) of blood vessels around alveoli (air spaces, dark brown) in the lungs. Erythrocytes (red blood cells) are seen in the blood vessel. Alveoli are the smallest divisions of the airways in the lungs, and are the sites of gaseous exchange. Here, oxygen is taken up by the blood from inhaled air, and carbon dioxide is released to be exhaled. Magnification: x180 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6391423
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Air Sac Alveoli Alveolus Breathing Capillary Erythrocyte Erythrocytes False Colour Gaseous Exchange Histological Histology Lung Physiological Physiology Red Blood Cell Red Blood Cells Respiration Sacs Spaces False Coloured
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This print from Science Photo Library showcases the intricate network of blood vessels surrounding alveoli in the lungs. In this coloured scanning electron micrograph (SEM), we are able to witness the beauty and complexity of our respiratory system at a microscopic level. The dark brown air spaces, known as alveoli, serve as vital sites for gaseous exchange within our bodies. As we inhale oxygen-rich air, these tiny divisions of the airways allow oxygen molecules to be absorbed into our bloodstream through the blood vessels seen here. Simultaneously, carbon dioxide is released from our bloodstream into these alveoli to be exhaled. Within this mesmerizing image, erythrocytes or red blood cells can be observed flowing through the blood vessel walls. These remarkable cells play a crucial role in transporting oxygen throughout our body and removing waste products like carbon dioxide. With a magnification of x180 when printed 10 centimetres wide, this SEM print offers us an awe-inspiring glimpse into the inner workings of our lungs. It reminds us of just how intricately designed and interconnected every part of our physiological systems truly are. Through its blend of biology and artistry, this photograph invites us to appreciate both the scientific marvels that exist within us and their aesthetic appeal captured by advanced imaging techniques like scanning electron microscopy.
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