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(FRAME-INFO (STRING "Horizontal MRI Slice. \(Scan compliments of Dr. K. Maravilla, Dept. of Radiology, University of Washington\). This scan passes through the hypothalamus. Note the optic tracts passing posteriorly along the lateral aspect of the hypothalamus. They are approaching the cerebral peduncles, here labeled with hidden buttons separately as the crus cerebri \(descending fibers\) and the substantia nigra \(a large nucleus\). The superior aspect of the eyeballs can be seen anteriorly, but the optic nerves and chiasm are below the plane shown."))
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