paranasal sinus

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Related to Air sinus: frontal sinus

paranasal sinus

[¦par·ə¦nā·zəl ′sī·nəs]
(anatomy)
Any of the paired sinus cavities of the human face; includes the frontal, ethmoid, and sphenoid sinuses.
References in periodicals archive ?
In the anterior view, it would appear that the shape illustrated the lateral extension of the air sinus.
Intrasinus septa did not completely divide the sphenoid air sinus and was contained within the chamber.
The intersinus septum divided the sphenoid air sinus completely.
is the only other study that has illustrated the air sinus in three dimensions.
Most studies classified the air sinus according to Hammer & Radburg (1961, cited by Wang et al.