Anterior Cranial Fossa

Anterior Cranial Fossa The anterior cranial fossa is shaded in yellow. The cranial cavity is divided into three fossae: 1)      Anterior 2)      Middle 3)      Posterior The anterior cranial cavity is formed from the following bones: Frontal bone (orbital plate) Ethmoid bone (cribriform plate) Sphenoid bone (body and lesser wings) The anterior cranial cavity contains the frontal lobes of the brain. Structures in the anterior cranial cavity include: Frontal crest – site of attachment for falx cerebri Foramen caecum – emissary veins from nasal cavity to superior sagittal sinus Crista Galli – site of attachment for falx cerebri Cribriform plate of …

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