Dural Sinuses

Question 1

Endothelium-lined spaces between the periosteal and meningeal layers of the dura

Answer 1

Dural venous sinuses

Question 2

Where do most blood from the brain ultimately drain into?

Answer 2

IJV

Question 3

This sinus lies in the convex attached border of the falx cerebri

Answer 3

Superior sagittal sinus

Question 4

A meeting place of the superior sagittal, straight, occipital, and transverse sinuses

Answer 4

Confluence of sinuses

Question 5

Receives the superior cerebral veins

Answer 5

Superior sagittal sinus

Question 6

Prolongation of the arachnoid that protrude through the meningeal layer of the dura mater into dural venous sinuses

Answer 6

Arachnoid granulations

Question 7

Lateral expansions of the superior sagittal sinus

Answer 7

Lateral venous lacunae

Question 8

Enlarged arachnoid granulations may form pits in calvaria

Answer 8

Granular foveolae

Question 9

Other name for enlarged arachnoid granulations

Answer 9

Pacchionian bodies

Question 10

Structurally adapted for the transport of cerebrospinal fluid from the subarachnoid space to the venous system

Answer 10

Arachnoid granulations

Question 11

Much smaller than the superior sagittal sinus

Answer 11

Inferior sagittal sinus

Question 12

Formed by the union of the inferior sagittal sinus with the great cerebral vein

Answer 12

straight sinus

Question 13

Forms a groove in the Occipital bones

Answer 13

Transverse sinus

Question 14

Which transverse sinus is larger?

Answer 14

Left sinus is dominant

Question 15

Follow S-shaped courses in the posterior cranial fossa

Answer 15

Sigmoid sinus

Question 16

Lies in the attached border of the falx cerebelli

Answer 16

Occipital sinus

Question 17

The occipital sinus communicates inferiorly with the

Answer 17

Internal vertebral venous plexus

Question 18

Large venous plexuses located on each side of the sella turcica

Answer 18

Cavernous sinuses

Question 19

Receives blood from superior and inferior ophthalmic veins, superficial middle cerebral vein, sphenoparietal sinus

Answer 19

Cavernous sinus

Question 20

Venous channels anterior and posterior to the stalk of the pituitary gland

Answer 20

Intracavernous sinuses

Question 21

The cavernous sinuses drain postero-inferiorly through the superior and inferior

Answer 21

Petrosal sinuses and emissary veins to basilar and pterygoid plexuses

Question 22

Inside each cavernous sinus is the

Answer 22

Internal carotid artery

Question 23

Nerves inside cavernous sinus

Answer 23

Abducent 2
Oculomotor 3
Trochlear 4
Trigeminal 5 (1,2)