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White blood cells and platelets
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White blood cells and platelets
White blood cells & platelets. Coloured scanning electron micrograph (SEM) of a group of white blood cells (leucocytes) and activated platelets in human blood. The larger rounded white blood cells (coloured pink, light blue) play a role in the bodys immune response. At centre and far left are smaller platelets (thrombocytes, dark blue). Platelets are non-nucleated cells found in large numbers in the blood. When inactive they are round or oval discs; activated they have dendritic processes, or pseudopodia (as seen here), and they may become star-shaped. When activated, platelets clump together and are involved in blood clotting. Magnification: unknown
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6446585
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Blood Cell Immune Leucocyte Leukocyte Platelet Thrombocyte White Blood White Blood Cell Cells
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This print showcases the intricate world of white blood cells and platelets in our bloodstream. In this coloured scanning electron micrograph (SEM), we are granted a close-up view of these vital components that play crucial roles in maintaining our body's immune response. The larger rounded white blood cells, delicately tinted in pink and light blue, stand out as the defenders of our health. They tirelessly patrol our system, ready to combat any foreign invaders that may threaten our well-being. Their presence is a testament to the resilience and adaptability of our immune system. At the center and far left of the image, we encounter smaller platelets known as thrombocytes. These non-nucleated cells are abundantly found within us. When inactive, they appear as round or oval discs; however, when activated, their transformation is truly remarkable. As seen here with their dendritic processes or pseudopodia extending outward like delicate branches, they become star-shaped entities. Activated platelets possess an essential function - clotting blood effectively. When triggered into action, these platelets clump together to form a protective barrier against bleeding wounds or injuries within our vessels. Through this mesmerizing magnified view captured by Science Photo Library's lens (with unknown magnification), we gain insight into the microscopic wonders occurring within us every day – reminding us just how extraordinary and complex our bodies truly are.
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