eduroam (edu cation roam ing) is the secure, world-wide roaming access service developed for the international research and education community. Having started in Europe, eduroam has gained momentum throughout the research and education community and is now available in 74 territories.
A depressed skull fracture is a type of fracture usually resulting from blunt force trauma, such as getting struck with a hammer, rock or getting kicked in the head. These types of fracturesâwhich occur in 11% of severe head injuriesâare comminuted fractures in which broken bones displace inward.
Fractures of the dens, not to be confused with Hangman's fractures, are classified into three categories according to the AndersonâD'Alonso system: 1  Type I Fracture - Extends through the tip of the dens. 2  Type II Fracture - Extends through the base of the dens. 3  Type III Fracture - Extends through the vertebral body of the axis.