Relating to or connecting the frontal bone and the ethmoid bone of the skull.
From Latin 'frons' (forehead/frontal bone) + 'ethmoid' (from Greek 'ethmos,' sieve, describing the bone's sieve-like structure). This is a specialized anatomical term.
The ethmoid bone is sieve-like because it has holes for the olfactory nerve—smell literally flows through a Swiss cheese-like bone in your skull, which is wild when you think about how physical your senses actually are.
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