The Venous Sinuses Of The Brain

Question 1

Where does the venous sinuses situated?

Answer 1

On the dura mater, between the periosteal and the meningeal layer

Question 2

Lies in the upper fixed border of the falx cerebri.

Answer 2

The superior sagittal sinus

Question 3

It runs backward and becomes continuous with the right transverse sinus.

Answer 3

The superior sagittal sinus

Question 4

Lies in the lower free margin of the falx cerebri.

Answer 4

The inferior sagittal sinus

Question 5

Joins the great cerebral vein to form the straight sinus.

Answer 5

The inferior sagittal sinus

Question 6

Lies at the junction of the falx cerebri and the tentorium cerebelli.

Answer 6

The straight sinus

Question 7

Formed as a direct continuation of the transverse sinuses.

Answer 7

The sigmoid sinuses

Question 8

Leaves the skull through the jugular foramen to become the internal jugular vein.

Answer 8

The sigmoid sinuses

Question 9

It communicates with the vertebral veins through the foramen magnum.

Answer 9

The occipital sinus

Question 10

Group of sinuses lies on the lateral side of the body of the sphenoid bone.

Answer 10

The cavernous sinuses

Question 11

What does the cavernous sinuses receive anteriorly?

Answer 11

The inferior ophthalmic vein + The central vein of the retina

Question 12

The cavernous sinuses drain posteriorly into the transverse sinus through…

Answer 12

The superior petrosal sinus

Question 13

What are the structures that pass through the cavernous sinus?

Answer 13

Internal carotid artery + the abducent nerve

Question 14

What are the structures that pass on the lateral wall of the cavernous sinus?

Answer 14

The occulomotor and the trochlear nerves + the ophthalmic and the maxillary branches of the trigeminal nerve.

Question 15

How can an infection of the face spreads to the cavernous sinus?

Answer 15

By the facial and the inferior ophthalmic veins

Question 16

They connect the veins of the scalp to the venous sinuses.

Answer 16

The emissary veins

Question 17

A group of veins, occupying channels within the bones of the vault of the skull.

Answer 17

The diploic veins

Question 18

Formed at the medial angle of the eye by the union of the supraorbital and the supratrochlear veins.

Answer 18

The facial vein

Question 19

The facial vein join the anterior division of the ……… vein to drain into the IJV.

Answer 19

The retromandibular vein

Question 20

It enters the parotid gland, where it joins the maxillary vein to form the retromandibular vein.

Answer 20

The superficial temporal vein

Question 21

Formed in the infratemporal fossa from the pterygoid venous plexus.

Answer 21

The maxillary vein

Question 22

The retromandibular vein, after leaving the parotid gland, it divides into an anterior branch which join the……….. and a posterior branch which joins the …………..

Answer 22

Anterior branch: join the facial vein.

Posterior branch: join the posterior auricular vein.

Question 23

How does the external jugular vein is formed?

Answer 23

By the union of the retromandibular and the posterior auricular veins

Question 24

Joins the external jugular vein deep to the SCM muscle.

Answer 24

The anterior jugular vein

Question 25

A continuation of the sigmoid sinus, and leaves the skull through the jugular foramen.

Answer 25

The internal jugular vein