Dural Venous Sinuses (Task 2)

Question 1

Structures that form dural venus sinuses

Answer 1

Divergence of periosteal and meningeal dura layers

Question 2

Causes of cerebral venus infarction and at risk groups

Answer 2

Ruptured cerebral vein

Risks include thrombophillia, nephrotic syndrome, chronic inflammatory diseases

Question 3

Drainage vessel for venus sinsuses

Answer 3

Internal Jugular Vein

Question 4

Nerves that run next to cavernous venus sinus

Answer 4

Occulomotor (CN III)
Trochlear (CN IV)
Opthalmic div. of Trigeminal (CN Va)
Maxiliary div. of Trigeminal (CN Vb)
Abducens (CN VI)

Question 5

Non nerve structures adjacent to cavernous venus sinus

Answer 5

Internal Carotid Artery
Pituitary Gland
Sphenoid Sinuses

Question 6

Diploic vein function

Answer 6

Drain spongy inner skull bone into dural venus sinuses

Question 7

Emissary vein function and dangers

Answer 7

Valveless veins which drain extracranial veins into dural venus sinuses
Infection risk especially from danger triangle of face

Question 8

Facial veins with connections to cavernous venus sinus

Answer 8

Opthalmic vein
Facial veins
Pterygoid venus plexus