Superior Aspect of Cranium

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Vertex, the most superior point of the

calvaria, is near the midpoint of the sagittal suture (Figs. 7.6 and 7.7A).

The coronal suture separates the ___ and ___ Sagittal suture separates: Lambdoid suture separates

coronal: frontal and parietal bones the sagittal suture separates the parietal bones lambdoid suture separates the parietal and temporal bones from the occipital bone

Bregma is the craniometric landmark formed by the

inter- section of the sagittal and coronal sutures (Figs. 7.6 and 7.8A; Table 7.1).

The parietal foramen is a small, inconstant aperture located

posteriorly in the parietal bone near the sagittal suture (Fig. 7.8A & C); paired parietal foramina may be pres- ent.

The superior (vertical) aspect of the cranium, usually somewhat oval in form, broadens

posterolaterally at the parietal eminences. In some people, frontal eminences are also visible, giving the calvaria an almost square appearance.

Most irregular, highly variable foramina that occur in the neurocranium are emissary foramina that transmit emissary veins connecting scalp veins to the

venous sinuses of the dura mater


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