part_of part of part of develops_from develops from develops from unilaminar epithelium endoderm endoderm of foregut embryonic tissue early pharyngeal endoderm http://dev.biologists.org/content/128/22/4573.full EFO:0003626 FMA:293087 pharyngeal endoderm uberon ZFA:0001104 EHDAA2:0001457 . EMAPA:32754 pharyngeal region endoderm TAO:0001104 UBERON:0007690 pharyngeal arch endoderm early pharyngeal arch endoderm relation conflict: ZFA vs EHDAA2. Note EHDAA2 term renamed to 'early PA endoderm' EHDAA:962 pharyngeal arch system entire pharyngeal arch endoderm