dural venous sinuses

Question 1

cavernous sinus

Answer 1

• receives blood from:
  
  • • superior and inferior ophthalmic veins
  • • sphenoparietal sinuses
• drains into
  
  • • superior and inferior petrosal sinuses
  • • pterygoid and basilar plexuses

Question 2

confluence of sinuses

Answer 2

• receives blood from
  
  • • superior sagittal sinus
  • • straight sinus (from inf. sagittal and great cerebral v)
  • • occipital sinus

Question 3

transverse sinus

Answer 3

• receive blood from
  
  • • confluence of sinuses
  • • superior petrosal sinus

Question 4

sigmoid sinus

Answer 4

• receive blood from
  
  • • transverse sinus
  • • inferior petrosal sinus

Question 5

sigmoid sinus becomes

Answer 5

• internal jugular after passing through jugular foramen

Question 6

structures in cavernous sinus

Answer 6

• internal carotid

- abducent n (VI)

Question 7

structures running adjacent to cavernous sinus

Answer 7

• oculomotor n
• trochlear n
• ophthalmic
• maxillary (V2)