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Elbow Joint 1. 5. 6. 7. 8. 9. 2. 3. 4. LifeART Collection Images Copyright © 1989-2001 by Lippincott Williams & Wilkins, Baltimore, MD Humerus Medial epicondyle of humerus Trochlea of humerus Olecranon Coronoid process of ulna Head of radius Neck of radius Radius Ulna