IV.A.3 Head & Back: Dura

IV.A.3 Head & Back: Dura Page 4 of 5

The extension of the dura into and around the brain hemisperes form the falx cerebri and the tentorium cerebelli.

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	Step 21: Begin with the superior sagittal sinus.
	Step 22: Add the left and right transverse sinus.
	Step 23: Add the confluence of the sinuses.
	Step 24: Add the straight sinus which also empties into the confluence.
	Step 25: Add the inferior sinus which empties into the straight sinus.
	Step 26: Add the sigmoid sinuses.


	Between what layers of the meninges are the above sinuses located?
The venous drainage flows through the two cranial components of the dura mater. (The outer periosteal layer and the inner menigeal layer.)