Crista galli a superior projection on the ethmoid bone attaches to the dura mater and secures the brain within the skull.
Further Explanation:
The skull is the bony structure which protects the brain from shock and the gap between the skull and the brain is filled with cerebrospinal fluid. The ethmoid bone is a sieve like structure and spongy in appearance which is one of the eight bones of the cranial group of bones. It forms the anterior part of the cranial floor which acts as the medial wall between the orbits. The structures formed by ethmoid bone include crista galli, olfactory foramen, cribriform plate, superior nasal concha and middle nasal concha.
Crista galli is a triangular process which is a point of attachment for the falx cerebri of the dura mater. The outermost layer of the meninges is the dura mater where falx cerebri is the largest folds out of four folds of the dura mater.
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Answer Details:
Grade: College Biology
Subject: Biology
Chapter: Human Anatomy
Keywords:
Crista galli, falx cerebri, dura mater, meninges, ethmoid bone, skull, brain, cerebrospinal fluid, cranial floor.
