part of part of develops_from endoderm endoderm of foregut upper respiratory tract epithelium embryonic tissue early pharyngeal endoderm . EFO:0003626 EHDAA2:0001457 EHDAA:962 EMAPA:32754 FMA:293087 TAO:0001104 UBERON:0007690 ZFA:0001104 early pharyngeal arch endoderm pharyngeal arch endoderm pharyngeal endoderm pharyngeal region endoderm relation conflict: ZFA vs EHDAA2. Note EHDAA2 term renamed to 'early PA endoderm' uberon pharyngeal arch system entire pharyngeal arch endoderm