middle ethmoidal cells

(redirected from middle ethmoidal air cells)

middle ethmoidal cells

[TA]
the middle group of air cells of the ethmoidal sinuses; each sinus communicates with the middle meatus of the nasal cavity.
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Active secretion of contrast through the defect in the right cribriform plate defect into the middle ethmoidal air cells was noticed with a small amount of contrast pooling in right nasal cavity.