Akademik

Heteroplasia
The replacement of normal tissue of the body by abnormal tissue or by malpositioned normal tissue, a tissue growing in the wrong place. Progressive osseous heteroplasia is a disorder in which bone develops in areas where bone is normally absent. There is heteroplasia of bone.
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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. SYN: alloplasia. [hetero- + G. plasis, a forming]

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het·ero·pla·sia -'plā-zh(ē-)ə n a formation of abnormal tissue or of normal tissue in an abnormal locality

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see dysplasia

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het·ero·pla·sia (het″ər-o-plaґzhə) [hetero- + -plasia] the replacement of normal by abnormal tissue; malposition of normal cells.

Medical dictionary. 2011.