ect·eth·moid
ek-ˈteth-ˌmȯid 
: either of two lateral parts of the ethmoid bone that form part of the anterior wall of the orbit
: lateral or external to the ethmoid bone
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“Ectethmoid.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ectethmoid. Accessed 15 Jul. 2025.
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