What is the definition or description of: ent and head and neck surgery?

ENT: Stands for ear nose and throat. An ENT is also called an otolaryngologist.

Ear, nose, throat: Ent stands for ears, nose and throat. Ent is one of the specialties that does surgery on the head and neck, but there are other structures in the head and neck as well, including the brain(neurosurgery), the spine, the eyes, and the mouth, etc. So there really multiple specialties that do surgery in the region of the head and neck. Thank you for your question.

ENT & Head and Neck: Also known as otolaryngology, this medical specialty deals with the diagnosis and (medical & surgical) management of diseases of the ears, nose, mouth, throat, neck, sinuses, voice box and face. Some areas of expertise in otolaryngology include voice and swallowing problems, facial plastic and reconstructive surgery, allergy, hearing and balance disorders, nasal and sinus disorders, sleep apnea.

ENT: Ear nose @ throat... Also known as otolaryngologists. They deal with ears, nose, and throats. They also take care of sinuses, tonsils, vocal cords, etc.

Otolaryngology: The specialty can be called ENT, otolaryngolgoy, head and neck surgery. Covers the entire head and neck outside of the brain and eyes, and spinal cord.