3 - Meningeal Layers, Dural Folds And Sinuses Flashcards
1
Q
What is the outermost layer of the meninges
A
Dura
2
Q
What are rural venous sinuses?
A
Venous structures formed by the separation of two layers of dura. Connect to cerebral veins via bridging veins to drain brain tissue.
3
Q
Where do the cerebral veins run?
A
In the subarachnoid space
4
Q
Where can dural venous sinuses commonly be found?
A
Along the superior Sagitta sinus
5
Q
How do subdural haemorrhages occur in an injury to the head?
A
Movement of the brain causing bridging veins to snap. Extravasation of venous blood into subdural space causing subdural haemorrhage.
