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acrylic prints activated acrylic prints aggregate acrylic prints biological acrylic prints biology acrylic prints blood cell acrylic prints clot acrylic prints clotting acrylic prints colored acrylic prints coloured acrylic prints erythrocyte acrylic prints platelet acrylic prints platelets acrylic prints rbc acrylic prints rbcs acrylic prints red blood cells acrylic prints

photographs activated photos aggregate photos biological photos biology photos blood cell photos clot photos clotting photos colored photos coloured photos erythrocyte photos platelet photos platelets photos rbc photos rbcs photos red blood cells photos

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Red blood cells and platelets. Coloured scanning electon micrograph (SEM) of human erythrocytes (red blood cells) and a platelet aggregate (blue). Platelets are fragments of white blood cells that under normal circumstances are small and biconcave in form. However, if there is a break in the surface of a blood vessel the platelets come into contact with molecules they are not used to and become activated. They become amorphous in form, with long projections (pseudopodia) that help them adhere to other cells and each other, forming a clot. Magnification: x4000 when printed at 10 centimetres wide.

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