part of part of anterior_to pre-chordal neural plate (...) at some stage of its development, every chordate exhibits five uniquely derived characters or synapomorphies of the group: (...) (4) a single, tubular nerve cord that is located dorsal to the notochord (...).[well established][VHOG] AAO:0011084 TAO:0007016 The portion of neural plate anterior to the mid-hindbrain junction. UBERON:0003056 VHOG:0001200 XAO:0000045 ZFA:0007016 anterior neural plate uberon neural plate ectoderm-derived structure embryonic tissue midbrain hindbrain boundary neural plate