Motorcyclist fracture among the following is -
The synopsis of forensic medicine & toxicology ;Dr k.s narayan reddy ; 28th edition ; pg.no. 151 . At autopsy the base of the skull is seen divided into 2 halves each moving independently of each other like a hinge ,it is called motor cyclist's fracture.
Ring facture
Sutural separation
Comminuted fracture of vault of skull
Fracture base of skull into anterior & posterior halves
Mechanical injuries