heterotopy

Het`er*ot"o*pism, Het`er*ot"o*py, n. Etym: [Hetero- + Gr. hétérotopie.] 1. (Med.) Defn: A deviation from the natural position; -- a term applied in the case of organs or growths which are abnormal in situation. 2. (Biol.) Defn: A deviation from the natural position of parts, supposed to be effected in thousands of years, by the gradual displacement of germ cells.

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