Dural Venous Sinuses 🔴beginning

Question 1

Superior Sagittal Sinus

Answer 1

foramen cecum

Question 2

Inferior Sagittal Sinus

Answer 2

Abrupt (sudden).

Question 3

Straight Sinus

Answer 3

At the middle of tentorial notch.
▪ By the union between Inferior sagittal sinus & Great cerebral vein
of Galen.

Question 4

Occipital Sinus

Answer 4

Either from:
A. Transverse sinus.
B. Venous confluent.

Question 5

Sphenopareital Sinus

Answer 5

Abrupt (sudden)

Question 6

Cavernous Sinus

Answer 6

superior orbital fissure (medial end).

Question 7

Superior Petrosal Sinus

Answer 7

Arises from the posterior end of the cavernous sinus.

Question 8

Inferior Petrosal Sinus

Answer 8

Arises from the posterior end of the cavernous sinus.

Question 9

Transverse Sinus

Answer 9

1) Right transverse sinus: begins as a direct continuation
of superior sagittal sinus (mainly). 2) Left transverse sinus: begins as a direct continuation

of straight sinus (mainly). 3) The reverse may occur. 4) They may begin from venous confluent.

Question 10

Sigmoid Sinus

Answer 10

Direct continuation of transverse sinus.