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(FRAME-INFO (STRING "  MRI Composite. \(Scans compliments of Dr. K. Maravilla, Dept. of Radiology, University of Washington\). The sagittal scan at the upper right shows the level for the axial scans \(A-C\) which are shown here from ventral \(scan A\) to dorsal \(scan C\). Find the hypothalamus on each of them. Note the prominent mammillary bodies in A; this posterior part of the hypothalamus is also its most ventral part. In the scan in B locate the middle cerebral artery in the lateral fissure and the anterior cerebral artery in the longitudinal fissure, and recall the relationship of the hypothalamus to the circle of Willis. The plane in C grazes the dorsal hypothalamus, passing just below the hypothalamic sulcus, the boundary between the thalamus and hypothalamus.  "))
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