Aeration of which of the following paranasal sinus occur after bih?
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.
Frontal
Ethmoid
Maxillary
Sphenoid