| Term | Definition |
| Head | joint surface |
| Anatomical Neck | joint surface |
| Surgical Neck | location of most breaks in arm |
| Greater Tubercle | muscle attachment |
| Bicipital Groove | muscle attachment; groove for biceps brachii |
| Lesser Tubercle | muscle attachment |
| Radial Groove | posterior side, mid shaft |
| Deltoid Tuberosity | muscle attachment; lateral side, mid shaft |
| Medial Supracondylar Ridge/Crest | medial edge that flares out at distal end of humerus |
| Lateral Supracondylar Ridge/Crest | lateral edge that flares out at distal end of humerus |
| Medial Epicondyle | farthest medial point at distal end of humerus |
| Lateral Epicondyle | farthest lateral point at distal end of humerus |
| Ulnar Notch/Groove | aka funny bone, medial side of humerus at distal end |
| Olecranon Fossa | dip in the distal, posterior humerus for the olecranon process to slide into |
| Trochlea | joint surface, medial distal |
| Capitulum | joint surface, medial distal |
| Coronoid Fossa | space for Coronoid Process, medial distal dip |
| Radial Fossa | lateral distal dip |