Frontonasal duct

Frontonasal duct
Dorlands /Elsevier	d_29/12314080
*Anatomical terms of bone* []

The frontonasal duct is a communication between the frontal air sinuses and their corresponding nasal cavity. The duct is lined by mucous membrane. The duct empties into the nasal cavity middle nasal meatus through the infundibulum of the hiatus semilunaris.