part of start stage end stage ventral telencephalon telencephalic nucleus periventricular nucleus of ventral telencephalon TAO:0002222 zebrafish_anatomy ZFA:0001666 Telencephalic nucleus which is in contact with the median ependymal lining of the ventricle and consists of the dorsal, ventral, supracommissural and postcommissural nuclei of the ventral telencephalon. From Neuroanatomy of the Zebrafish Brain. unknown adult