Aeration of which of the following paranasal sinus occur after bih?
High-Yield Explanation
The onset of development of aeration of frontal sinus occur after bih and reaches adult configuration by adulthood. Developmental aeration of paranasal sinuses: Paranasal sinusOnset of developmentAdult configurationMaxillary sinusThird month of gestation12 years of ageSphenoidFouh month of gestationPubeyEthmoidFifth month of gestationPubey Ref: Atlas of Neuroradiologic Embryology, Anatomy, and Variants edited by J. Randy Jinkins page 45.