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Definition of Fracture, basilar
Medically reviewed by Min Clinic Staff | Updated: January 2026
Fracture, basilar: A break in bone at the base of the skull.
About a half of basilar fractures are caused by bicycle or motor vehicle accidents, about a quarter by falls, and a tenth by recreational activities, particularly by diving accidents. The balance are due to other causes. No matter what cause, the risk of death with a basilar fracture is appreciable.
The term "basilar" means located at or near the base of a structure, especially the skull.