<unk>  is a pneumatized ethmoid cell that projects along the medial roof of the maxillary sinus. Enlarged<unk> s may contribute to narrowing of the ethmoidal infundibulum and recurrent sinusitis.
Patient #1: CT images demonstrate bilateral<unk> s
Haller cell
Granule cell
Langhans giant cell
Spongiocyte
Dendrite
Neuroepithelial cell
Ganglion cell
Spindle neuron