CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Centrifuged blood. View of a male technician holding two centrifuge microtubes containing blood samples. He is wearing a protective coat, goggles and gloves. Centrifuges separate out the blood cells from the fluid (serum) by spinning the sample at high speed. The force of spinning pushes the densest matter (blood cells) to the very bottom of the microtube (dark red). The blood plasma (straw coloured liquid) is seen floating on top of the blood cells. Centrifuging is carried out when only one of the blood's components needs to be tested. The protec- tive clothing is to maintain sterile conditions.
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