part of part of develops from develops from has potential to develop into has potential to develop into embryo neural crest Meckel's cartilage pre-cartilage condensation Meckel's cartilage pre-cartilage condensation UBERON:0006263 EMAPA:17358 EHDAA2:0001074 VHOG:0001121 presumptive structure mandibular process mesenchyme mesenchyme derived from neural crest