Fig. 27. MRI of coronal sections through the hypothalamus. (A) Anterior hypothalamus corresponding to Fig. 17A showing location of the anterior commissure (arrows). (B) Mid hypothalamus corresponding to Fig. 17B showing location of the fornix (arrow). (C) Mid hypothalamus corresponding to Fig. 17C showing the optic tract. The fornix can sometimes also be visualized at this level. (D) Caudal hypothalamus corresponding to Fig. 17D at the level of the medial mammillary bodies (arrow). Sometimes the mammilothalamic tract can be visualized at this level.