<span>"Crista galli, </span>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.
The spiders have became resistant to the pesticide.
Explanation:
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