noun
The medical field dealing with internal organs and non-surgical treatment. Often contrasted with 外科 (surgery).
See also: 外科
彼は内科を専門にしている医者です。
He is a doctor specializing in internal medicine.
noun
internal medicine department
The hospital department or clinic section for internal medicine. Used when referring to the physical location or organizational unit.
内科は2階にあります。
The internal medicine department is on the second floor.