<unk>  is a medical or dental specialty that uses operative manual and instrumental techniques on a person to investigate or treat a pathological condition such as a disease or injury, to help improve bodily function, appearance, or to repair unwanted ruptured areas. The act of performing<unk>  may be called a<unk> ical procedure, operation, or simply<unk> ". In this context, the verb "operate" means to perform<unk> . The adjective<unk> ical means pertaining to<unk> ; e.g.<unk> ical instruments or<unk> ical nurse. The person or subject on which the<unk>  is performed can be a person or an animal. A<unk> eon is a person who practices<unk>  and a<unk> eon's assistant is a person who practices<unk> ical assistance. A<unk> ical team is made up of the<unk> eon, the<unk> eon's assistant, an anaesthetist, a circulating nurse and a<unk> ical technologist.<unk>  usually spans from minutes to hours, but it is typically not an ongoing or periodic type of treatment. The term<unk> " can also refer to the place where<unk>  is performed, or, in British English, simply the office of a physician, dentist, or veterinarian.
Surgery
Surgical suture
Massage
Implantation 
Surgical tape
Organotherapy
Depot injection
Transfusion medicine