Pharangeal Arch

《英文msh詞典》Pharangeal Arch
[入口詞] Pharangeal Arch
[主題詞] Branchial Region
[英文釋義] Region containing paired arched columns that bear gills in lower aquatic vertebrates and appear in the embryos of higher vertebrates in comparable form. In higher vertebrates the arches are subsequently modified into structures of the neck and ear.