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Arteriole and red blood cells, SEM
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Arteriole and red blood cells, SEM
Arteriole. Coloured scanning electron micrograph (SEM) of a cross-section through a small human artery known as an arteriole. Red blood cells are seen in the central space (lumen) and connective tissue surrounds the arteriole. The inner wall (tunica intima) of the lumen is thin and folded. It comprises an endothelial lining and a thin elastic layer that stretches. These layers enable the arteriole to expand and contract, regulating arterial blood pressure. Magnification: x480 when printed 10cm wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6420609
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Arterial Arteriole Blood Circulatory Connective Cross Section Endothelial Endothelium Freeze Fracture Freeze Fractured Horizontal Lining Oxygenated Relaxed Tissue Tunica Intima Vascular Vessel Vessels Artery Cells Circulation Section Sectioned
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