Nasion
| Nasion | |
|---|---|
 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.) | |
| Identifiers | |
| TA98 | A02.1.00.015 |
| TA2 | 417 |
| FMA | 264779 |
| Anatomical terminology | |
The nasion (nā′zē än′) 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.
Is also be referred to as the radix, sellion or the soft-tissue nasion, though the radix is better conceptualized. Nasion height, as defined by the projection of the nasion beyond the anterior corneal plane, at distances of 7mm, 10mm, and 13 mm anterior to the corneal plane. [1]
Ideal porportion
The ideal porportion of the area between the nasion and the glabella is around Normally 115-130 degrees, with a wider angle for women and shorter for men. [2]
References
External links
 | This human musculoskeletal system article is a stub. You can help Wikipedia by expanding it. |