The second pharyngeal arch will form the hyoid apparatus. The cranial neural crest cells that populate the second pharyngeal arch emerge primarily from rhombomere 4 and will form skeletal elements.
Synonyms:
exact_synonym:
2nd pharyngeal arch; arcus pharyngeus secundus; branchial arch 2; hyoid arch; second branchial arch; second pharyngeal arch; second visceral arch; visceral arch 2