资料来源 : pyDict

异位

资料来源 : Webster's Revised Unabridged Dictionary (1913)

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

资料来源 : WordNet®

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