Branchial Regions
《英文msh詞典》Branchial Regions
[入口詞] Branchial Regions
[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.