Hyperostosis frontalis interna (HFI) is a continuous overgrowth of the frontal bone and has been described in association with chronic headaches and rarely with seizures. HFI is nine times more ...

Figure 1 Anatomy of the orbit.. Two central features in the orbit are the inferior orbital fissure and the superior orbital fissure (Figure 1). The former lies in the orbital floor and contains the ...

The paired "supraorbital grooves" in the interorbital region of the frontal, described by Pycraft (1899), correspond to the paired fossae glandularis nasalis. Pycraft (op. cit.) is especially ...