In anatomy, a bone or bony structure that is related to or situated near the ethmoid bone and alar (wing-like) structures of the skull.
From 'ali-' (Latin 'ala' meaning wing) + 'ethmoid' (from Greek 'ethmos' meaning sieve, named for the sieve-like perforations in this skull bone). This technical term combines anatomical descriptors to identify a specific cranial feature.
The ethmoid bone is literally shaped like a sieve and sits at the base of your brain, connecting your nasal cavity to your skull—it's responsible for filtering smell signals to your brain. Its wings are perfectly named because they really do look delicate.
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