Source:http://linkedlifedata.com/resource/umls/id/C0733946
FMA: Organ part cluster, which consists of some members of two or more organ subdivision subclasses which are grouped together according to some shared attributes. Examples: root of lung, neurovascular bundle, renal pedicle, fascia of back.,UWDA: Organ part cluster, which consists of some members of two or more organ subdivision subclasses which are grouped together according to some shared attributes. Examples: root of lung, neurovascular bundle, renal pedicle, fascia of back.