Orbit & Ear - Veins Flashcards
What is this structure?
Cavernous sinus
Cavernous sinus
What drains into this?
- Veins of deep face (pterygoid venous plexus)
- Veins of orbit
- Veins of brain
Cavernous sinus
What does this drain into?
- Pterygoid venous plexus
- Sigmoid sinus
Cavernous sinus
Important to know
Vulnerable to infection due to venous connection to external face via ophthalmic veins and pterygoid venous plexus
Cavernous sinus
What is this structure?
Superior Opthalmic vein
Superior Opthalmic vein
What does this drain into?
- Cavernous sinus
- Pterygoid plexus
Superior Opthalmic vein
Important to know?
Route of infection to cavernous sinus from face
Superior Opthalmic vein
What does this drain?
Angular vein
Superior Opthalmic vein
What is this strucutre?
Inferior Opthalmic vein
Inferior Opthalmic vein
What does this drain?
Facial vein
Inferior Opthalmic vein
What does this drain into?
- Cavernous sinus
- Pterygoid plexus
Inferior Opthalmic vein
Important to know?
Route of infection to cavernous sinus from face
Inferior Opthalmic vein
