<prompt> Fracture ala signature is a type of -Gutter fractureDepressed fracture of skullRing fracture at foramen magnumSutural separation  <response>: Ans. is 4b i.e.. Depressed fracture of skull o Fracture -ala-signature signature fracture is also known as depressed fracture of skull vault.o Depressed fracture signature fracture or fracture-ala signature :1c caused by a heavy w eapon with a small striking surface, e.g. hammer which causes a piece of skull bone to get depressed into the cravial cavity. 