Head: Dural venous plexus & Cavernous Sinuses

Question 1

Enumerate single sinuses

Answer 1

1. Superior Sagital Sinus
2. Inferior Sagital sinus
3. Straight sinus
4. Occipital sinus
5. Basillar plexus of veins
6. Intercavernous sinus

Question 2

SSS begins at foramen

Answer 2

Caecum

Question 3

sss runs in the

Answer 3

Upper attached border of falx cerebri

Question 4

SSS terminates by

Answer 4

Reaching Internal occipital protuberence & shifting to the right to form (in most cases) **right transverse Sinus **

Question 5

Tributaries to SSS

Answer 5

• Superior Cerebral Vein
• Arachnoid villi
• Meningeal Veins
• Two emissary veins

Question 6

Inferior Sagittal sinus runs in

Answer 6

posterior 2/3 of lower free border of falx cerebri

Question 7

Inferior sagittal sinus recieves veins from

Answer 7

Medial side of the brain

Question 8

Straight sinus is formed by

Answer 8

union of the Inferior sagittal sinus with great cerebral Vein

Question 9

Straight sinus runs in

Answer 9

Midline at the line of attachement between falx cerebri & Tentorium cerebelli

Question 10

straight sinus terminates by

Answer 10

at internal occipital protuberence, it shifts to the left and (in most cases) gives Left transverse sinus

Question 11

Occipital sinus begins at

Answer 11

confluence of 2 sinuses or beginning of 1 of thr transverse sinus

Question 12

Occipital sinus runs in

Answer 12

Falx cerebelli

Question 13

Occipital sinus divides into 2 branches near

Answer 13

foramen magnum

Question 14

2 terminal branches of occipital sinus end in

Answer 14

Sigmoid sinus

Question 15

Basilar plexus of veins lies in the

Answer 15

Clivus

Question 16

Basilar plexus of veins connects

Answer 16

Inferior petrosal sinuses together

Question 17

Transverse sinus runs

Answer 17

Laterally in the Attached border of tentorium cerebelli

Question 18

Transverse sinus ends by

Answer 18

Reaching mastoid proccess and becoming sigmoid sinus

Question 19

Tributaries of transverse sinus

Answer 19

• Cerebellar Veins
• Superior petrosal sinus
• Veins from the skull

Question 20

Sigmoid sinus termination

Answer 20

in Jugular foramina, by becoming internal jugular vein

Question 21

Anterior relation of cavernous sinus

Answer 21

Apex of orbit and superior orbital fissure

Question 22

Posterior relation of Cavernous sinus

Answer 22

Apex of petrous one and Trigemnal Ganglion

Question 23

Medial relation of cavernous sinus

Answer 23

• Body of sphenoid
• sphinoid sinus
• Pituitary gland

Question 24

Lateral relations of cavernous sinus

Answer 24

Uncus of temporal Lobe

Question 25

Relations of Cavernous sinus above

Answer 25

Internal carotid Artery

Question 26

Contents inside the sinus

Answer 26

• Internal Carotid Artery
• Abducent Nerve (6)

Question 27

Content embedded in lateral wall of cavernous sinus

Answer 27

• Oculomotor
• Trochlear
• Ophthalmic and maxillary division of trigemnal

Question 28

Cavernous sinus is connected with facial Vein through

Answer 28

Ophthalmic veins

Question 29

Anterior communications of Cavernous sinus

Answer 29

• Ophthalmic veins
• Sphenoparietal sinus

Question 30

Posterior communication of Cavernous sinus

Answer 30

• Superior petrosal Sinus: connects with transverse sinus
• Inferior petrosal Sinus: connects with internal Jugular vein

Question 31

Communications of Cavernous sinus above

Answer 31

Superficial middle cerbral vein (from brain)

Question 32

Communications of Cavernous sinus below

Answer 32

Emissiary veins

Question 33

Communications of Cavernous sinus Medially

Answer 33

intercavernous sinus