*heterotopy*

{ } n. [ Hetero- + Gr. &unr_; place: cf. F. hétérotopie. ] 1. (Med.) A deviation from the natural position; -- a term applied in the case of organs or growths which are abnormal in situation. [ 1913 Webster ]

2. (Biol.) A deviation from the natural position of parts, supposed to be effected in thousands of years, by the gradual displacement of germ cells. [ 1913 Webster ]