paranasal sinus

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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 ?
Caption: Figure 1: Coronal (a) and sagittal (b) CBCT-scan: well-defined hypodense lesion involving a distal and apical region (endo-perio lesion) of the endodontically treated right maxillary first molar Maxillary and ethmoidal sinusitis and a perforation of the lesion into the right maxillary sinus cavity are also observed.
Caption: FIGURE 6: Three types (types (I), (II), and (III)) of position relationships between the implant and the maxillary sinus cavity. The starting point of IA on the alveolar crest was defined as point A.
Extended of the soft tissue mass outside the normal confines of a sinus cavity was considered as indication for biopsy, which will remain the reliable mode for diagnosing malignancy.
Bone fragments nearly severed her retinal nerve and her upper sinus cavity was destroyed.
The Balloon Sinuplasty opens blocked sinuses by inflating a balloon in the sinus cavity instead of cutting away bone and tissue, and patients can return to work as soon as the next day.
CAPTAIN SCOTT, narrowly beaten in the 1999 Lincoln when trained by Jeremy Glover, has been admitted to the Dalehead Veterinary Equine Clinic at Rathmell, North Yorkshire, following a head injury and suspected hairline fracture to the sinus cavity.
Each year, more than 30 million American adults are diagnosed with acute rhinosinusitis--infections that occur within the dosed confines of the sinus cavity.
Cholesterol granuloma may appear as a cystlike expansion within the sinus cavity accompanied by expansion of the bony walls of the involved antrum.
Baptiste's idea doesn't immediately grab her, she says, because "I have always understood that the guttural pouches are not well ventilated during exercise." She prefers the idea that blood returning from the nose through a sinus cavity cools the brain directly.
Sometimes the results are not immediate It may take 12 weeks or longer before the sinus cavity heals.
This inflammation prevents the usual clearance of bacteria from the sinus cavity, increasing the chances of developing secondary bacterial sinusitis.