ethmoid bone


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ethmoid bone

[′eth‚mȯid ‚bōn]
(anatomy)
An irregularly shaped cartilage bone of the skull, forming the medial wall of each orbit and part of the roof and lateral walls of the nasal cavities.
References in periodicals archive ?
Its rostral limit was present at the level of cranial face of first molar tooth and extends upto level of cribriform plate of ethmoid bone (Fig.
It also articulates with the ethmoid bone, the lacrimal bones and the sphenoid bone.
Deviations in nasal septae usually involve the cartilage and the perpendicular plate of the ethmoid bone.
1999) Computed tomographic imaging to determine the frequency of anatomic variations in pneumatization of the ethmoid bone.
The middle concha is formed by the medial part of the ethmoid bone.
4) Pneumatization of the middle turbinate occurs as a part of the normal pneumatization process in the ethmoid bone.
13,14) The infection spreads rapidly to adjacent sinuses and the orbit and continues into the cranium via the ethmoid bone or orbital vessels.