Source:http://linkedlifedata.com/resource/umls/id/C0427245
UWDA: Subdivision of free upper limb, which is the proximal segment of an upper limb and links the free upper limb to the trunk; it is demarcated by the plane of the surface of the glenoid fossa from the free upper limb; together with the free upper limb, it constitutes the upper limb. Examples: There are only two instances, right and left pectoral girdles.,NCI: The bony arch formed by the collarbones and shoulder blades.,FMA: Subdivision of free upper limb, which is the proximal segment of an upper limb and links the free upper limb to the trunk; it is demarcated by the plane of the surface of the glenoid fossa from the free upper limb; together with the free upper limb, it constitutes the upper limb. Examples: There are only two instances, right and left pectoral girdles.