Frontonasal duct

Infobox Bone
Name = Frontonasal duct
Latin =
GraySubject = 33
GrayPage = 138

Caption =

Caption2 =
System =
Precursor =
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DorlandsPre = d_29
DorlandsSuf = 12314080
The frontal air sinuses are lined by mucous membrane, and each communicates with the corresponding nasal cavity by means of a passage called the frontonasal duct.

This infundibulum located within the ethmoid bone connects the nasal cavity with the frontal air sinuses.

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