File talk:Circle of Willis en.svg
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Direction of flow
[编辑]I miss the direction of the blood flow in this image. And what is at the ends of the ateries? --82.83.126.246 11:49, 3 July 2009 (UTC)
I miss the direction of the blood flow in this image. And what is at the ends of the ateries? --82.83.126.246 11:49, 3 July 2009 (UTC)[回复]