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Definition of Sinuses
1. sinus [n] - See also: sinus
Medical Definition of Sinuses
1. Air filled cavities. Examples are the ethmoids, maxillary, frontal and sphenoid sinuses. (27 Sep 1997)
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1. sinus [n] - See also: sinus
1. Air filled cavities. Examples are the ethmoids, maxillary, frontal and sphenoid sinuses. (27 Sep 1997)