ethmoid sinus
noun
variants
also ethmoidal sinus
: either of two sinuses each of which is situated in a lateral part of the ethmoid bone alongside the nose and consists of ethmoidal air cells
Dictionary Entries Near ethmoid sinus
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“Ethmoid sinus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ethmoid%20sinus. Accessed 24 Apr. 2024.
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