Asuperior projection on the bone, attaches to the dura mater and secures the brain within the skull. a superior projection on the bone, attaches to the dura mater and secures the brain within the skull. sella turcica, sphenoid crista galli, sphenoid crita galli, ethmoid sella turcia, ethmoid

"Crista galli, a superior projection on the ethmoid bone, attaches to the dura mater and secures the brain within the skull."

Crista galli is a vertical projection of the ethmoid bond where the falx cerebri attaches. The falx cerebri is a part of the dura mater that makes the division between the right and left hemispheres holding it into place.