Frontal bone

bone in the human skull

The frontal bone or os frontis is a bone in the front of the human skull. The biggest part of the frontal bone is under the forehead. The name comes from the Latin word frons (meaning "forehead"). It bone is made up of three joined parts.[1]

Frontal bone
Frontal bone lateral3.png
Position of the frontal bone (highlighted in green).
Skull sword trauma.jpg
19th Century skull showing sword-blade trauma on frontal bone.
ArticulationsTwelve bones: the sphenoid, the ethmoid, the two parietals, the two nasals, the two maxillæ, the two lacrimals, and the two zygomatics
LatinOs frontale
Anatomical terms of bone

The illustration below shows the browridges which protected the Neanderthal face.

Neanderthal on right


  1. Gray's Anatomy (1918). (See infobox)