Which of the following sinus grows till early adulthood:-
(A) Maxillary (B) Ethmoidal (C) Frontal (D) Sphenoid
(C) Development of paranasal sinuses Sinus Present at bih 1st X-Ray appearance, Adult size Maxillary Yes 4-5 months after bih 15-18 yrs. Ethmoid Yes 1yr 12yr Sphenoid Yes 6-7yr 15yr Frontal No 4-5yr 18yr