cranial venous supply

Question 1

where does the venous sinus lie between in the dura mater

Answer 1

the peristeak and meningeal layer

Question 2

where do the venous sinuses drain to

Answer 2

NS, face , scalp

Question 3

where in the first draining point

Answer 3

internal jugular foramen

Question 4

what do they sinus have that most veins have

Answer 4

valves

Question 5

where are the straight superior and inferior sagittal sinus found

Answer 5

falx cerebri

Question 6

wha is the straight sinus a continuation of

Answer 6

great cerbreal vein and inferior sagittal sinus

Question 7

what drains the opthalmic vein

Answer 7

the cavernous sinus

Question 8

what does the upper 3rd molar access have to do with venous infection in the cavity

Answer 8

a third molar access can cause an increase in interocular pressure and the presence of bacteria which causes thrombosis by
infection > pterygoid venous plexus> spehnidial emissary vein> cevernos sinus (flow is slow so can multiply here)> thrombosis can cause stroke