Nasofrontal duct
The nasofrontal duct is a duct connecting the infundibulum and frontal sinus.
A true nasofrontal duct only exists in 15% of the population.
Some sources prefer the term "frontal recess".
The nasofrontal duct is a duct connecting the infundibulum and frontal sinus.
A true nasofrontal duct only exists in 15% of the population.
Some sources prefer the term "frontal recess".