intramural >> ˌɪntrəˈmjʊər(ə)l
Definition: [adjective] situated or done within the walls of a building.
Example: both intramural and churchyard graves
Definition: [adjective] taking place within a single educational institution.
Example: recreational intramural games
Definition: [adjective] situated within the wall of a hollow organ or a cell.
Example: an intramural haematoma