|Relations of the brain and middle meningeal artery to the surface of the skull. (Nasion is at #1.)|
|Side view of head, showing surface relations of bones. (Nasion labeled at center left.)|
|Gray's||subject #33 136|
The nasion (nay-zhun) is the intersection of the frontal and two nasal bones of the human skull. Its manifestation on the visible surface of the face is a distinctly depressed area directly between the eyes, just superior to the bridge of the nose.