Orbital sulci

Brain: Orbital sulci
Orbital surface of left frontal lobe.
Latin sulci orbitales
Gray's subject #189 822

The inferior or orbital surface of the frontal lobe is concave, and rests on the orbital plate of the frontal bone. It is divided into four orbital gyri by a well-marked H-shaped orbital sulcus

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.