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Activated platelets, SEM
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Activated platelets, SEM
Activated platelets. Coloured scanning electron micrograph (SEM) of activated platelets. Platelets, or thrombocytes, are a constituent of the blood formed in the bone marrow. When they encounter a damaged blood vessel they become activated and secrete chemical mediators, including serotonin, which cause the blood to clot. The mediators convert soluble fibrinogen to the insoluble protein fibrin. The resulting fibrin mesh traps platelets and red and white blood cells, forming a plug that seals the damaged vessel. Magnification: x6000 at 6x7cm size
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Media ID 6421146
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Activated Activation Blood Clot Clotted Clotting Coagulated Coagulating Coagulation Magnified Image Microscopic Photos Physiological Physiology Platelet Platelets Process Subjects Thrombocyte Thrombocytes Cells
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