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Human blood cells, SEM
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Human blood cells, SEM
Human blood cells. Coloured scanning electron micrograph (SEM) of four platelets (thrombocytes, yellow), a red blood cell (erythrocyte, red) & two white blood cells (leucocytes, blue and purple). Platelets are produced in the bone marrow, they are involved in the process of blood clotting. Red blood cells carry oxygen from the lungs to all the cells of the body, and carbon dioxide from these cells back to the lungs. White blood cells are involved with the human immune system. Lymphocytes (blue) recognise foreign antigens and destroy invaders, neutrophils (purple) engulf bacteria and release an antibacterial enzyme (lysozyme). Magnification: x4250 at 6x7cm size
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6421005
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Blood Cells Component Components Cytological Cytology Erythrocyte Histological Histology Immune System Immunology Leucocyte Leukocyte Lymphocyte Lymphocytes Neutrophil Platelet Platelets Red Blood Cell Thrombocyte Thrombocytes White Blood Cells
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