(Science: anatomy) The scythe-shaped fold of dura mater in the longitudinal fissure between the two cerebral hemispheres; it is attached anteriorly to the crista galli of the ethmoid bone and caudally to the upper surface of the tentorium.
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... the crista galli - a protrusion of the bone that connects to the falx cerebri (the portion of dura matter that separates the two hemispheres of the brain. hope that ...
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