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Laboratory 28. Cranial Fossae
Step 10. Folds of the Dura Mater

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Examine the organization of the folds of the dura mater within the cranial cavity. The dura mater forms three inward projections that partition the cranial cavity:
Examine the free edge of the tentorium cerebelli which forms the tentorial notch . Its edge is non-giving and during severe edema of the brain can cause strangulation of the brain stem.

Links and References:
Grant's: 7.18
Netter: 95, 96
Rohen/Yokochi: 88