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ect·eth·moid | \ ek-ˈteth-ˌmȯid 
\
\Medical Definition of ectethmoid
(Entry 1 of 2)
: either of two lateral parts of the ethmoid bone that form part of the anterior wall of the orbit
ectethmoid
adjectiveMedical Definition of ectethmoid (Entry 2 of 2)
: lateral or external to the ethmoid bone
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