part of start stage end stage telencephalon ventral telencephalon zebrafish_anatomy area ventralis telencephali Brain structure which is the ventral part of the telencephalon and is consists of periventricular nuclei surrounding the unpaired median ventricle and those which have migrated away from the ependyma. From Neuroanatomy of the Zebrafish Brain. TAO:0000304 subpallium ZFA:0000304 multi-tissue structure unknown adult