Venous Sinuses Flashcards
Where do sinuses reside?
Between periosteal and meningeal layers of the dura mater
Where does Superior sagittal sinus receive blood?
Superior cerebral veins
Where does the inferior sagittal sinus run?
From the cribriform plate to the straight sinus
What does the straight sinus consist of?
The continuation of inferior sagittal sinus and great cerebral vein when they come together
What sinuses end in the confluence of sinuses?
Superior sagittal
Straight
Occipital
Where does the confluence of sinuses drain blood into?
Right and left transverse sinuses
What veins empty into the transverse sinuses?
Inferior cerebral vein
Inferior anastomotic vein of Labbe
What is another name for the great cerebral vein?
Great vein of Galen
Where does the transverse sinus empty?
Sigmoid Sinus
What does the sigmoid sinus turn into?
Forms jugular bulb then internal jugular vein as it exits the jugular foramen
Where is the Sphenoparietal sinus found?
On top of the lesser wing of the sphenoid bone
What does the Sphenoparietal sinus empty into?
Cavernous sinus
What drains into the Sphenoparietal sinus?
Superficial middle cerebral vein
Where is the cavernous sinus found?
On either side of the sella turcica
What does the Cavernous sinus help facilitate the passage of?
CN III CN IV V1 V2 CN VI Internal carotid artery
