Parietal Margin of Greater Wing Anatomy in 3D

The edge of the sphenoid where it meets the parietal bone. This is the location of the "Pterion", the thinnest part of the skull; a blow to this spot is likely to cause an Epidural Hematoma.

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Related structures

Sphenoid Bone Frontal Margin of Greater Wing Squamosal Margin of Greater Wing Zygomatic Margin of Greater Wing Cerebral Surface of Greater Wing Maxillary Surface of Greater Wing Orbital Surface of Greater Wing Temporal Surface of Greater Wing