Frontal Bone

Description

Rendered in a transparent skull context, the frontal bone is isolated in opaque white, spanning the anterior calvaria from the coronal suture region to the superior orbital margins. Inferiorly, the supraorbital margin forms the roof of the orbit, with the supraorbital notch or foramen positioned near the junction of the medial and middle thirds, and the glabella and superciliary arches occupying the midline prominence above the nasion. Laterally, the zygomatic process of the frontal bone descends toward the zygomatic bone at the frontozygomatic suture, outlining the lateral orbital rim and transitioning posteriorly toward the temporal lines. Fine, sinuous translucent tracks suggest the course of the supraorbital and supratrochlear neurovascular bundles across the forehead. Short and clear. This anterior frontal bone emphasis matters when teaching surface anatomy and interpreting trauma patterns. Frontal sinus fractures and anterior table injuries concentrate above the orbits, while lacerations along the supraorbital rim risk supraorbital nerve injury, leading to hypoesthesia over the forehead and anterior scalp. Surgeons also use the frontozygomatic region and supraorbital rim as stable landmarks in craniofacial fixation, and the relationship of glabella to the nasofrontal junction helps orient reduction of naso-orbito-ethmoid fractures. Use this asset in head and neck anatomy labs, craniofacial surgery lectures, or atlas plates that need the frontal bone read cleanly against adjacent cranial bones without losing regional context. It also fits emergency medicine and radiology teaching materials that pair surface landmarks with CT-visible bony contours. Anatomical accuracy verified by SciePro's Medical Advisory Board.