part of part of has potential to develop into forebrain future brain future forebrain A presumptive structure that has the potential to develop into a forebrain. BAMS:Pros EFO:0003423 EHDAA2:0000661 EHDAA:2643 EMAPA:16640 TAO:0000062 TODO. Add relationships to neural plate (both ZFA and EMAPA time this with the neural plate) UBERON:0006240 ZFA:0000062 future prosencephalon presumptive forebrain presumptive prosencephalon prosencephalon uberon presumptive structure