Orbital Blood Vessels Flashcards
1
Q
Which branch of the internal carotid artery supplies the orbit?
A
ophthalmic artery
2
Q
Which branches of the ophthalmic artery supply the scalp?
A
- supraorbital artery
- supratrochlear artery
3
Q
What is unique about the vascular supply of the retina?
A
a single vessel supplies it
4
Q
What vessels supplies the inner tunic of the eye?
A
central artery of the retina
5
Q
What is unusual about the veins of the orbit?
A
they lack valves
6
Q
What are drainage patterns of the superior ophthalmic vein?
A
into cavernous dural venous sinus or into facial vein
7
Q
What are the drainage patterns of the inferior ophthalmic vein?
A
into cavernous dural venous sinus or into pterygoid venous plexus
