¹ Source: wiktionary.com
Medical Definition of Heteroplasia
1. 1. Development of cytologic and histologic elements that are not normal for the organ or part in question, as the growth of bone in a site where there is normally fibrous connective tissue. 2. Malposition of tissue or a part that is otherwise normal, as a ureter that develops at the lower pole of a kidney. Synonym: alloplasia. Origin: hetero-+ G. Plasis, a forming. (05 Mar 2000)