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SEM showing red blood cells & fibrin filaments

SEM showing red blood cells & fibrin filaments

P242/0022

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Credit

DR ANDREJS LIEPINS / SCIENCE PHOTO LIBRARY DR ANDREJS LIEPINS / SCIENCE PHOTO LIBRARY

Caption

False-colour scanning electron micrograph (SEM) of human red blood cells (erythrocytes), showing the initial clotting process, the formation of fibrin filaments that comprise a clot or thrombus. Clotting is a complex, multi-step process: essentially, thromboplastin released from blood platelets & around the injured vessel, in presence of calcium ions, converts prothrombin to thrombin. The presence of thrombin results in transformation of blood protein fibrinogen into insoluble fibrin threads. Numerous erythrocytes surround a clot; some undergo deformation (crenation) in the concentrated plasma environment. Magnification: x675 at 35mm size.

Release details

Model release not required. Property release not required.

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