ectopia

from WordNet (r) 3.0 (2006)

ectopia
    n 1: abnormal position of a part or organ (especially at the
         time of birth)

from The Collaborative International Dictionary of English v.0.48

Ectopia \Ec*to"pi*a\, n. [NL., fr. Gr. 'ek out + ? place.]
   (Med.)
   A morbid displacement of parts, especially such as is
   congenial; as, ectopia of the heart, or of the bladder.
   [1913 Webster]