In human anatomy, the upper limb (also upper extremity) refers to what in common English is known as the arm, that is, the region of the shoulder to the fingertips. It includes the entire limb, and thus, is not synonymous with the term upper arm.
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Limb 1. member or extremity; one of the paired appendages of the body used in locomotion or grasping; in humans, an arm or leg with all its parts. 2. [more]Upper limb - Community and Resources
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