ethmoid infundibulum

eth·moi·dal in·fun·dib·u·lum

[TA] a passage from the middle meatus of the nose communicating with the anterior ethmoidal cells and frontal sinus. Synonym(s): infundibulum ethmoidale [TA], ethmoid infundibulum

eth·moid in·fun·dib·u·lum

(eth'moyd in'fŭn-dib'yū-lŭm) A passage from the middle meatus of the nose communicating with the anterior ethmoid cells and frontal sinus.