the area lateral to the stria medullaris and the fornix at the level of the interventricular foramen , an area known to be occupied by the medial dorsal accessory group and the anterior fornical nucleus of the magnocellular neurosecretory system , was found to be studded with serotonin ( 5-ht ) -like immunoreactive ( li ) varicosities .
C0007610
nucleus
C1336592
studded