| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Femur Head Necrosis | Health | Aseptic or avascular necrosis of the femoral head. The major types are idiopathic (primary), as a complication of fractures or dislocations, and Legg-Perthes disease. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
