hiatus

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Related to hiatus semilunaris: Ethmoidal bulla, Frontonasal duct, Ostiomeatal Unit
References in periodicals archive ?
Assessment of hiatus semilunaris and infundibulum showed fair agreement (k=0.
According to Yanagisawa et al, the ostium of the ethmoid bulla is often found in the hiatus semilunaris superior, but it can also be found in the anterior or lateral wall of the ethmoid bulla, the ethmoid infundibulum, the hiatus semilunaris inferior, and the retrobullar recess.
There is a significantly higher occurrence of the ostium of bulbous type of concha bullosa opening into the hiatus semilunaris.
The expanded maxillary sinus had obliterated the left infundibulum, the hiatus semilunaris, the middle turbinate, and the middle meatus.