In research, to examine phenomena that have not previously been studied in the same way; to try different things in a situation to determine what happens; and to examine previously examined situations from new points of view to see whether a difference is significant.
A procedure or surgical operation where the aim is to discover the cause of symptoms or the nature and extent of an illness.
thorough examination of an area of the body, especially in exploratory surgery.
A surgical operation to investigate the cause of a patient’s illness.
Examination of an organ or part by various means.
A diagnostic surgical procedure in which a surgeon can inspect an internal body part.