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CELL. A small room in a prison. See Dungeon.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
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Only one previous study has reported the prevalence of an overriding ethmoid air cell; in the United States, Bansberg et al reported a prevalence of 8% based on their CT examinations.
As a result, the ethmoid air cells are rarely limited to the lateral ethmoid masses; they often extend into the turbinates, crista galli and the neighbouring frontal, maxillary, sphenoid and palate bones.
The tumor was found to be arising from the right maxillary antrum, and it extended medially to involve the middle meatus, the anterior ethmoid air cells, and the inferior turbinate.
Superiorly it was involving the ethmoid air cells and was closely adherent to dura; however no dural breach was noted.
Supraorbital ethmoidal cells: The ethmoid air cells can extend supraorbitally and is said to be present in 15% to 21% according to Bhatt NJ.
Magnetic resonance imaging (MRI) demonstrated a contrast-enhancing mass within the anterior ethmoid air cells on the left, with a small amount of intracranial extension through the cribriform plate (figure 2).