The supraorbital foramen, is a bony elongated opening located above the

orbit In celestial mechanics, an orbit is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an object or position in space such as ...

(eye socket) and under the forehead. It is part 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, part ...

of the skull. The supraorbital foramen lies directly under the eyebrow. In some people this foramen is incomplete and is then known as the supraorbital notch.

Structure

The supraorbital foramen is a small groove at superior and medial margin of the orbit in the frontal bone. It is part of the

of the skull. It arches transversely below the superciliary arches and is the upper part of the brow ridge. It is thin and prominent in its lateral two-thirds, but rounded in its medial third. Between these two parts, the

supraorbital nerve The supraorbital nerve is one of two branches of the frontal nerve, itself a branch of the ophthalmic nerve. The other branch of the frontal nerve is the supratrochlear nerve. Structure The supraorbital nerve branches from the frontal nerve m ...

, the supraorbital artery, and the supraorbital vein pass. The supraorbital nerve divides into superficial and deep branches after it has left the supraorbital foramen.

Additional images

File:Gray135.png, Frontal bone. Inner surface. File:Gray1193.svg, Side view of head, showing surface relations of bones. File:Slide6gre.JPG, Cranium. Supraorbital foramen.

References

External links

* {{Authority control Foramina of the skull

Structure

Additional images

See also

References

External links