19.10

Question 1

The venous sinuses in the roots of dural septa drain blood from ___ veins of brain, ___ veins of diploe and ___ veins (some of scalp).

Answer 1

Cerebral veins.
Diploic veins.
Emissary veins.

Question 2

The ___ ___ ___ is in the attachment of the falx cerebri to the internal surface of the skull.

Answer 2

Superior sagittal sinus.

Question 3

The ___ ___ ___ is at the inferior aspect of the falx cerebri, where the dural fold from left and right sides join.

Answer 3

Inferior sagittal sinus.

Question 4

Where the falx cerebri joins the ___ ___, the inferior sagittal sinus changes its name to ___ ___ and runs in the line of attachment.

Answer 4

Tentorium cerebelli.
Straight sinus (where the great cerebral vein joins the inferior sagittal sinus).

Question 5

The ___ ___ ___ and the ___ ___ run to the internal part of the EOP.

Answer 5

Superior sagittal sinus.

Straight sinus.

Question 6

The confluence of sinuses is the point where the ___ ___ ___ and the ___ ___ mix, but this does not always occur (sometimes separate sinuses).

Answer 6

Superior sagittal sinus.

Straight sinus.

Question 7

At the confluence of sinuses, there is a formation of ___ sinuses to the left and right, in the root of the ___ ___

Answer 7

Transverse sinuses

In root of tentorium cerebelli

Question 8

The transverse sinuses run to a point between the ___ cranial fossa and ___ cranial fossa i.e. to the ___ part of the temporal bone.

Answer 8

Between middle and posterior cranial fossae, i.e. at petrous part of temporal bone.

Question 9

At the petrous part of the temporal bone, the transverse sinuses change names to ___ ___.

Answer 9

Sigmoid sinus.

Question 10

The sigmoid sinus takes an S shaped bend on both sides down to the ___ foramen to change name to the ___ veins.

Answer 10

Jugular foramen

Jugular veins

Question 11

The jugular foramen is between the ___ part of the temporal bone and the ___ bone.

Answer 11

Petrous part

Occipital bone

Question 12

On the lateral aspects of the body of the sphenoid is another important sinus - the ___ sinus

Answer 12

Cavernous

Question 13

The cavernous sinus drains the ___ (brain), ___ (eyes) and ___ veins of face.

Answer 13

Cerebral
Ophthalmic
Emissary

Question 14

Important structures run in lateral wall of the cavernous sinus - these are structures to the ___ ___ __ e.g. nerves.

Answer 14

Superior orbital fissure

Question 15

The middle meningeal artery is a branch of the ___ artery.

Answer 15

Maxillary

Question 16

The external carotid artery divides into the ___ ___ artery and the ___ artery.

Answer 16

Superficial temporal artery

Maxillary artery

Question 17

The middle meningeal artery enters the skull via foramen ___

Answer 17

Spinosum

Question 18

After the middle meningeal artery enters the skull, it divides into an ___ and ___ branch that grooves the internal surface of the bone.

Answer 18

Anterior and posterior branches

Question 19

The ___ branch of the MMA is directly internal to the pterion!

Answer 19

ANTERIOR

Question 20

The MMA is in the ___ space

Answer 20

Extradural

Question 21

Impact at the ___ can cause a bleed of the MMA into the ___ space.

Answer 21

Pterion

Extradural