Frontal Bone Showing Its Temporal Surface, Anterior View

Description

Frontal bone anatomy is centered on the squama frontalis and its lateral temporal surfaces, visible here from an anterior perspective. Superiorly, the linea temporalis arcs across the frontal squama, and inferior and posterior to that ridge a shallow facies temporalis forms part of the temporal fossa on each side. Laterally, the zygomatic process of the frontal bone and the frontozygomatic region define the transition toward the lateral orbital rim, while the temporal surface sits just posterior to the frontal eminence and lateral to the glabella and nasion region. Orientation to the temporal surface matters when you need a bony reference for the temporalis muscle and temporalis fascia, which attach along and below the temporal lines and occupy the temporal fossa in life. The frontal contribution to the temporal fossa also brings you close to the pterion region, where the frontal, parietal, sphenoid (ala major), and temporal bones approach each other and where bone thickness becomes clinically relevant in trauma and burr-hole planning. Subtle topography counts. The anterior viewpoint makes the temporal line easy to trace and clarifies how far inferiorly the frontal bone participates in the lateral cranial wall before the greater wing of the sphenoid and the temporal bone assume prominence. Use this illustration in head and neck anatomy teaching to anchor the boundaries of the temporal fossa, or in neurosurgical and maxillofacial reference material when describing lateral approaches that use the temporal line and frontozygomatic region as palpable landmarks. It also suits forensic and osteology atlases that need precise naming of the facies temporalis and adjacent sutural territories on the cranium. Anatomical accuracy verified by SciePro's Medical Advisory Board.