Frontal bullar cells

Last revised by Maxime St-Amant on 16 Apr 2018

The frontal bullar cells are a subset of variably present frontal recess cells located above the ethmoid bulla.

Terminology

They are nearly identical to suprabullar cells. The distinguishing features with the latter are that the frontal bullar cells are located above the frontal ostium and extend into the frontal sinus.

Gross anatomy

The frontal bullar cells are located above the ethmoid bulla. Their superior wall is the skull base. They contribute to form the posterior wall of the frontal recess.

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