3667MedicalMedium
Which of the following is true?
AAll of the above
BIn most of the cases, the main ostium is present in posterior third of hiatus semilunar
CMaxillary sinus communicates with environment through middle meatus and nasal vestibule
DMaxillary sinus is four- sided pyramid
Correct answer
A. All of the above
Explanation
The correct answer is All of the above.