Source:http://linkedlifedata.com/resource/umls/id/C0735409
FMA: Anatomical structure which is a remnant of an embryonic structure in the postnatal period. Examples: median umbilical ligament, paroohoron, prostatic utricle, ligamentum arteriosum.,UWDA: Anatomical structure which is a remnant of an embryonic structure in the postnatal period. Examples: median umbilical ligament, paroohoron, prostatic utricle, ligamentum arteriosum.