Nasion
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| Nasion | |
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| Relations of the brain and middle meningeal artery to the surface of the skull. (Nasion is at #1.) | |
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| 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.
[edit] External links
| Bones of head and neck: cranial sutures, fontanelles, and related regions |
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| cranial sutures: Coronal - Lambdoid - Occipitomastoid - Sphenofrontal - Sphenoparietal - Sphenosquamosal - Sphenozygomatic -Squamosal - Zygomaticotemporal - Zygomaticofrontal - Frontal/Metopic - Sagittal - Frontoethmoidal - Petrosquamous - Sphenoethmoidal - Sphenopetrosal
fontanelles: Anterior fontanelle - Posterior fontanelle foramina of multiple bones: Inferior orbital fissure - Foramen lacerum - Jugular foramen - Nasolacrimal canal Anterior cranial fossa - Middle cranial fossa - Posterior cranial fossa - Cranial cavity other compound structures: Asterion - Nasion - Pterion - Dacryon - Zygomatic arch - Calvaria - Infratemporal fossa - Stephanion - Pterygomaxillary fissure - Pterygopalatine fossa |
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