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vascular circle of optic nerve


Definition: a network of branches of the short ciliary arteries on the sclera around the point of entrance of the optic nerve.

Synonym(s): circulus vasculosus nervi opticiTA, circulus arteriosus halleri, circulus zinnii, Haller circle1, Zinn corona, Zinn vascular circle

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.