Ethmoid bulla

Ethmoid bulla
Details
Identifiers
Latinbulla ethmoidalis
TA98A06.1.02.026
A02.1.07.015
TA23150, 736
FMA57487
Anatomical terminology

The ethmoid bulla (or ethmoidal bulla) is a rounded elevation upon the lateral wall of the middle nasal meatus:377 (nasal cavity inferior to the middle nasal concha) produced by one or more of the underlying middle ethmoidal air cells (which open into the nasal cavity upon or superior to the ethmoidal bulla:374).:377 It varies significantly based on the size of the underlying air cells.