inclusion /inklo̅o̅″zhən/ [L, in, within, claudere, to shut] , 1. the act of enclosing or the condition of being enclosed. 2. a structure within another, such as an inclusion in the cytoplasm of the cells. 3. models based on the premise that children with special needs should be educated in a regular classroom (instead of a self-contained classroom) with support personnel or services provided in that classroom.
