During concussion (a type of traumatic brain injury) the brain will move within the cranialcavity. Damage is caused to the brain as it crashes into parts of the bony cavity walls. Ironicallyone of the bone markings that can cause serious damage to the brain is the ironic because one of the functions of this bone marking is to ________.________. This is
A) perpendicular plate; separate the left and right halves of the nasal cavity
B) crista galli; attach to the dura matter holding the brain in place
C) styloid process; attach to and support the hyoid bone
D) pterygoid processes; anchor important chewing muscles

Question

Quizplus · Accepted Answer

The crista galli is a bony ridge that projects upward from the ethmoid bone in the skull. It serves as an attachment point for the dura mater, a thick membrane that surrounds and protects the brain. The dura mater acts like a seatbelt, holding the brain in place within the cranial cavity. However, during a concussion, the brain can still move and collide with the crista galli, causing damage to the brain tissue.

During Concussion (A Type of Traumatic Brain Injury) the Brain