劍橋詞典a situation in which an organ or body part is in the wrong position , either from birth or because of an injury （先天性或因受傷而）異位 Thyroid ectopia is a frequent cause of congenital hypothyroidism 甲狀腺異位是引起先天性甲狀腺功能低下的一個(gè)十分常見的原因。 返回 ectopia