Drainage of Blood from Orbit and Head

• -lacrimal branch
• -vortex vein
• -central retinal vein
• -inferior ophthalmic branch

angular vein also gives off a branch that penetrates the orbital septa and gives off the inferior root of the superior ophthalmic vein

drains the lacrimal gland

• drains the blood supply to the eye
• - supply by the central retinal artery and ciliary arteries
• - total 4: 2 superior, 2 inferior

Important landmark for BIO - the vortex vein tell you when you have gone half way through the peripheral. this position = midperiphery