(IMAGE (TYPE "GIF")
       (PATH "gifs/Syllabus Chapters/Vessels Ventricles CSF/circleMRA.gif"))
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(FRAME-INFO (STRING "MR Angiogram. \(Scan compliments of Dr. K. Maravilla, Dept. of Radiology, University of Washington\). This scan is similar to one of the above which also shows the circle of Willis, but this one has a prominent posterior communicating artery on the right side of the image giving rise to the posterior cerebral artery \(p\) on that side. The posterior communicating artery on the left side is not visible. Note the anterior cerebral artery \(a\), the middle cerebral artery \(m\), the internal carotid artery \(ic\) and the basilar artery \(b\)."))