Contents

Crista galli

Upper part of the ethmoid bone of the skull

Crista galli

Ethmoid bone from above.

Ethmoid bone from behind.

Perpendicular plate of the ethmoid bone

Skeletal

crista galli

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The crista galli (Latin: "crest of the rooster") is a wedge-shaped, vertical, midline upward continuation of the perpendicular plate of the ethmoid bone of the skull,^[1] projecting above the cribriform plate^[2] into the cranial cavity. It serves as an attachment for the membranes surrounding the brain.^[1]

The falx cerebri (a fold of the dura mater surrounding the brain) attaches to the crista galli.^{[citation needed]}

The olfactory bulbs of the olfactory nerve lie on either side of the crista galli on top of the cribriform plate.^{[citation needed]}

The base of crista galli varies in height.^[2] A bifid crista galli may suggest intracranial extension of a nasal dermoid cyst.^[3]

• MedEd at Loyola Radio/curriculum/ENT/jay84a.jpg
• Floor of the cranial cavity (close-up)^{[dead link]} - BioWeb at University of Wisconsin System
• "Anatomy diagram: 34257.000-2". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2014-01-01.
• Cross section image: skull/x-front—Plastination Laboratory at the Medical University of Vienna