part of part of overlaps immediate transformation of brain midbrain hindbrain midbrain-hindbrain boundary isthmus/MHB EHDAA:5789 midbrain hindbrain boundary NCIT:C93172 isthmic organizer territory ZFA:0000042 EMAPA:32857 AAO:0011064 mid-hindbrain boundary TAO:0000042 midbrain-hindbrain boundary VHOG:0000649 mid-hindbrain junction UBERON:0003052 isthmo-cerebellar region EHDAA2:0004395 DMBA:16810 neuronames:2076 The part of the brain that is the morphological boundary between the midbrain and hindbrain and that is the location of an organizing center which patterns the midbrain and hindbrain primordia of the neural plate. XAO:0000016 MHB isthmus consider adding class for organizer. Consider adding separate class for isthmus as a structure ectoderm-derived structure anatomical junction midbrain hindbrain boundary neural plate