What does synostosis refer to?

Synostosis refers to a condition in which two or more bones are fused together, either naturally or surgically. This fusion can occur in various parts of the body and can significantly affect the function and movement of the affected area. In the context of bone development, synostosis can be a result of congenital defects where bones fuse prematurely, often leading to limitations in growth or mobility. Additionally, surgical fusion is sometimes performed intentionally to stabilize joints and relieve pain, particularly in conditions like arthritis, where movement between bones needs to be restricted.

The other options present concepts that are not relevant to the definition of synostosis. A complete fracture of a bone refers to a break but does not involve the fusion of bone structures. Temporary joint stabilization signifies a method for supporting or immobilizing joints but does not imply permanent fusion. Measurement of bone density relates to assessing the strength and health of bones rather than their structural connectivity. Understanding synostosis is vital for recognizing conditions that might require orthopedic interventions or affect patient treatment plans.