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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.
[hetero- + G. plasis, a forming]
alloplasiaAn older term, which is regarded as a synonym for:
(2) Heteroplasia (i.e., metaplasia or dysplasia).