Intramural /(?)/

In·tra·mu·ral

Intramural

a.
  1. Being within the walls, as of a city.
  2. Of or pertaining to those activities occurring within a single institution or organization, such as intramural sports involving students of a single school; an intramural debate within a professional society.
  3. Being within the substance of the walls of an organ; as, intramural pregnancy. (Anat. & Med.)