ethmoid bone

as, the cribriform plate of the ethmoid bone

Pertaining to, or in the region of, the ethmoid bone.

Of or pertaining to the middle of the ethmoid region or ethmoid bone. n

The median vertical plate, or median element, of the ethmoid bone.

Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone; sphenethmoidal. n