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26.6 MB (2.1 MB compressed)
3682 x 2528 pixels
31.2 x 21.3 cm ⏐ 12.3 x 8.4 in (300dpi)
PROF. P. MOTTA / DEPT. OF ANATOMY / UNIVERSITY "LA SAPIENZA", ROME / SCIENCE PHOTO LIBRARY PROF. P. MOTTA / DEPT. OF ANATOMY / UNIVERSITY "LA SAPIENZA", ROME / SCIENCE PHOTO LIBRARY
Liver cells. False-colour scanning electron micrograph (SEM) of a portion of a hepatic lobule in the liver, showing its central vein. The central vein is connected to a peripheral system of capillaries (small dark channels) developed throughout the single-layer of hepatic cells (seen here in orange and soft pink). In this system of capillaries blood is cleaned of microorganisms, toxins, aged cells and debris. The liver is also a key metabolic organ and the major producer of proteins in the human body. A normal liver contains between 50,000 and 100,000 hepatic lobules. Magnification: x90 at 6x7cm size.
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