Fig. 2. A. Front view of orbital bones constituting rims and posteromedial structures. B. Anterosuperior view of orbital roof (8) (i.e., anterior cranial fossa) and middle cranial fossa (9,11) at posterior aspect of orbit. C. Bony details of medial orbital wall and posterior relationships at orbitocranial junction. (All numbers refer to accompanying table.) (Rootman J: Diseases of the Orbit. Philadelphia, JB Lippincott, 1988)