Otolaryngology is a branch of medicine that specialises in the diagnosis and treatment of ear, nose and throat disorders. Practitioners are called otolaryngologists, or sometimes otorhinolaryngologists. Used to be, and sometimes still is called ENT (ear nose and throat).
... the largest river in the world by volume, the Parana[?] with its impressive Iguaçu[?] falls, the Rio Negro, São Francisco[?], Xingu, Madeira and the Tapajós[?] ...