frontonasal duct


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fron·to·na·sal duct

the passage that leads downward from the frontal sinus to open into the ethmoidal infundibulum.

fron·to·na·sal duct

(frŏntō-nāzăl dŭkt)
Passage that leads downward from frontal sinus to open into ethmoidal infundibulum.
References in periodicals archive ?
Frontal sinuses open into the anterior part of the middle nasal meatus through the frontonasal duct.
The DVD contains videos of ear, nose, and larynx surgeries such as endoscopic sinus surgery, frontonasal duct reconstruction, and vocal cord augmentation.
Each one opens into the corresponding medium meatus of the nose, through the ethmoidal infundibulum of the frontonasal duct, and crosses the anterior part of the ethmoidal labyrinth.
With bone-wax, the frontonasal ducts were occluded bilaterally.
Do abnormalities of the frontonasal duct cause frontal sinusitis?
The right frontonasal duct was enlarged and cannulated with a stent fashioned from a #3 Jackson metal tracheotomy tube (an inner cannula shortened with a metal saw).