the fibres running to the postcommissural fornix , sending a small number of preterminals to the frontal , non-specific group of nuclei of the thalamus , frontal hypothalamic field and the central grey matter surrounding the silvius aqueduct , terminate in mamillary bodies ( in the medial nucleus and a small number of them-in the lateral nucleus ) .
C0020663
hypothalamic
C0024670
mamillary bodies