Pulsatile flow in the choroidal circulation: a preliminary investigation

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Doppler Optical Coherence Tomography of Retinal Circulation
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Doppler Optical Coherence Tomography of Retinal Circulation

Published on: September 18, 2012

R W Flower1, G J Klein

  • 1Applied Physics Laboratory, Johns Hopkins University and Hospital, Laurel, Maryland 20707.

Eye (London, England)
|January 1, 1990
PubMed

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Blood Flow01:29

Blood Flow

Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.