Otolaryngology or ENT (ear, nose and throat) is the branch of medicine and surgery that specializes in the diagnosis and treatment of ear, nose, throat, and head and neck disorders.

The full name of the specialty is otorhinolaryngology;[1] the full term otorhinolaryngology (neoclassical Greek and modern Greek: ὠτο(ρ)ρινολαρυγγολογία), also includes ῥινο- - rhino- (root of ῥίς) "nose". The term comes from the Classical Greek roots ὠτ- - ot- (root of οὖς) "ear", λαρυγγ- - laryng- (root of λάρυγξ) "larynx/throat", and the root -logy "study", and it literally means "the study of ear and throat".

Some people refer to it as head and neck surgery. Practitioners are called otolaryngologists–head and neck surgeons, or sometimes otorhinolaryngologists (ORL).

Extracted from www.wikipedia.org.