Vascular circle of optic nerve
Circulus vasculosus nervi optici
- Latin eponym: Circulus vasculosus Halleri
- Eponym: Circle of Zinn-Haller
Definition
The vascular circle of optic nerve is a small circle of arteries piercing the sclera and surrounding the optic nerve. They are sometimes called the "circle of Zinn-Haller".
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