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Right orbit and orbital apex from an anterior view

Note especially the relationship of the optic canal and the superior orbital fissure. (Source: OpenStax College, Anatomy & Physiology, Connexions Website, cnx.org/content/col11496/1.6/, Jun 19, 2013. Creative Commons Attribution 3.0 Unported [CC BY 3.0] license, creativecommons.org/licenses/by/3.0.)

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