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Orbital contents and the orbital apex, including CN II and the superior and inferior rectus muscles

Illustration of a sagittal through the orbit. (Source: Bardeleben K von, Haeckel H. Atlas of applied (topographical) human anatomy for students and practitioners. Only authorized English adaptation from the third German edition ... by J. Howell Evans. London: Rebman Limited; New York, Rebman Company, 1906. Edited by Dr. Douglas J Lanska. Public domain.)