Humerus ●Upper end head of humerus anatomical neck greater and lesser tubercles intertubercular groove surgical neck ●Shaft deltoid tuberosity groove for radial nerve ●Lower end lateral and medial epicondyles capitulum trochlea olecranon fossa coranoid fossa coranoid fossa radial fossa Radial fossa olecranon fossa, medial epicondyle sulcus for ulnar nerve capitulum trochleaHumerus  Upper end head of humerus anatomical neck greater and lesser tubercles intertubercular groove surgical neck  Shaft deltoid tuberosity groove for radial nerve  Lower end lateral and medial epicondyles capitulum trochlea coranoid fossa radial fossa olecranon fossa, sulcus for ulnar nerve trochlea capitulum Radial fossa coranoid fossa olecranon fossa medial epicondyle