[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. ( UWDA )]
UMLS (NCI) C0427245 - Body Part, Organ, or Organ Component