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Credit
The rotary motion and centrifugal power of the circulating blood in the larger arteries : the blood not only moves in the direction of the artery containing it, but also rotates on an axis parallel to the longitudinal axis of the artery. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.