Elastic artery cross-section, SEM

Elastic artery cross-section, SEM

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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Caption: Elastic artery cross-section, coloured scanning electron micrograph (SEM). This section is through a small elastic artery from the lung. The lumen contains red blood cells (red) and platelets (yellow). In the wall of the blood vessel, a clear internal elastic lamina (pale purple) is visible. This elasticity gives rise to the Windkessel effect, which helps to maintain a relatively constant pressure in the arteries despite the pulsating nature of the blood flow. Magnification: x2000 when printed at 10 centimetres across.

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Keywords: anatomical, anatomy, arterial wall, artery, biological, biology, blood, blood pressure, blood vessel, blood vessel wall, cell, cells, coloured, constant, elastic artery, elastic lamina, false-coloured, healthy, histological, histology, lumen, normal, physiological, physiology, platelet, platelets, rbc, rbcs, red blood cell, regulation, scanning electron micrograph, sem, windkessel effect

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