Os frontale

Last edited and medically reviewed by Alaric Steinmetz on 31.03.2023

Synonyms: Stirnbein, Frontal bone

The frontal bone is part of the neurocranium and forms the forehead and contains the frontal sinus.

Anatomy

The frontal bone is separated from the parietal bone by the coronal suture.

Figure

Frontal view of the skull — Frontal view of a human skull. Illustration adapted from Gray's Anatomy, Figure 190.

Lateral view of the skull — Lateral view of the human skull. Illustration adapted from Gray's Anatomy, Figure 188.

External surface of the frontal bone — Schematic illustration of the external surface of the frontal bone. Figure adapted from Gray's Anatomy, Figure 134.

Internal surface of the frontal bone — Schematic illustration of the internal surface of the frontal bone. Figure adapted from Gray's Anatomy, Figure 135.

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