cell bodies were observed in the telencephalon ( nucleus interstitialis striae terminalis and between the amygdala centralis and medialis ) , throughout the diencephalon in all nuclei of the `` '' anteroventral third ventricle '' '' , the base of the hypothalamus , the subzona incerta area , the medial forebrain bundle and the medial habenula , in the mesencephalon ( mamillary body , substantia nigra lateralis , dorsal and ventral parabrachial nuclei ) and very sparse in the medulla oblongata along the fourth ventricle towards the vestibular nuclei , the nucleus tractus solitarii and nervi trigemini .
C0025462
e mesencephal
C0038590
substantia nig