sinus ethmoidales

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Noun1.sinus ethmoidales - a sinus of the meatuses of the nasal cavity (behind the bridge of the nose)
sinus - any of various air-filled cavities especially in the bones of the skull
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References in periodicals archive ?
Anterior ethmoid cells pneumatize the lacrimal bone & the frontonasal process of the maxilla.
Then, the posterior ethmoid cells were totally removed and the fovea ethmoidalis identified.
Then the straight biting Blakesly forceps was used to resect the anterior ethmoid bulla, continuing posteriorly through the ground lamella, posterior ethmoid cells opened.
The soft tissue lesion seemed to involve the left anterior ethmoid cells as well.
In this article, we presented the rare case of a patient with a distant metastasis in the right ethmoid cells from a prostate adenocarcinoma.
Sagittal (A) and axial brain (B) computerized tomography scans (brain window), showing a soft tissue mass involving the right ethmoid cells (arrows).
CT scan also showed bilateral extensive opacification of the anterior ethmoid cells and frontal recess and an extensive pneumatization of the left middle turbinate (Figure 1a, 1b).
Some of the front group ethmoid cells develop in the anterior-superior direction, forming the frontal sinuses.
The ostiomeatal complex (OMC) is a functional entity of the anterior ethmoid complex that represents the final common pathway for drainage and ventilation of the frontal, maxillary and anterior ethmoid cells. (5) The maxillary sinus ostium drains into the infundibulum, which joins the hiatus semilunaris and drains into the middle meatus.
Haller's cells (Infraorbital ethmoid cell) are the anterior ethmoid cells that project along the medial roof of the maxillary sinus and the most inferior portion of the lamina papyracea (Figure-f).