part of part of has developmental contribution from developmentally_induced_by multi-tissue structure embryonic structure neural crest pharyngeal arch A conserved feature of all vertebrate embryos is the presence of a series of bulges on the lateral surface of the head, the pharyngeal arches; it is within these structures that the nerves, muscles and skeletal components of the pharyngeal apparatus are laid down.[well established][VHOG] AAO:0010359 BTO:0001785 EFO:0000959 EHDAA:571 EMAPA:16117 FMA:293015 GAID:1292 MAT:0000242 MESH:A16.254.160 MIAA:0000242 Numbered cranial to caudal. different in mammals. branchial arch = ZFA:0001613 pharyngeal arch 3-7. generally gill arch 1 = pharyngeal arch 3. terminology varies as to whether branchial arch follows gill or pharyngeal numbering One of a series of bony or cartilaginous arches that develop in the walls of the mouth cavity and pharynx of the embryo.[AAO] One of a series of paired bulges that develop along the lateral walls of the foregut. The pharyngeal arches have developmental contributions from endoderm, mesoderm, and neural crest cells and are separated by anterior lateral endoderm out-pockets known as pharyngeal pouches. TAO:0001306 UBERON:0002539 UMLS:C0080322 VHOG:0000155 XAO:0000096 ZFA:0001306 arcus pharyngei branchial arch pharyngeal arches uberon visceral arch endoderm-derived structure early pharyngeal endoderm pharyngeal arch system embryonic head protuberance structure with developmental contribution from neural crest