The inferior or orbital surface of the

frontal lobe The frontal lobe is the largest of the four major lobes of the brain in mammals, and is located at the front of each cerebral hemisphere (in front of the parietal lobe and the temporal lobe). It is parted from the parietal lobe by a groove be ...

is concave, and rests on the orbital plate of the

frontal bone The frontal bone is a bone in the human skull. The bone consists of two portions.'' Gray's Anatomy'' (1918) These are the vertically oriented squamous part, and the horizontally oriented orbital part, making up the bony part of the forehead, pa ...

. It is divided into four orbital gyri by a well-marked H-shaped orbital sulcus

Additional Images

File:FrontalCaptsBasal.png, Cerebrum. Inferior view. File:Slide2STE.JPG, Cerebrum. Inferior view. Deep dissection.

References

Sulci (neuroanatomy) Frontal lobe {{neuroanatomy-stub