grooves in the floor of the skull Flashcards
1
Q
How do they develop?
A
They form around blood vessels and arteries
2
Q
Where do the intracranial venous blood sinuses develop?
A
between the dura and the periosteum of the skull
3
Q
What is the pterion
A
Weakest point of the skull where the frontal/temporal/ parietal and sphenoid bones meet
4
Q
what is likely to happen at the pterion
A
Brain bleed- artery rupturing and collecting between the periosteum of the brain and the dura mater
5
Q
why are chances of blood spread reduced from the periosteum
A
Due to the attachment of the dura to sutures
6
Q
what passes over the pterion?
A
the middle meningeal arteries
