Ethmoid bulla
Ethmoid Bulla is a significant anatomical structure found within the ethmoid sinus. It is the largest and most consistent air cell of the ethmoid bone and is located in the middle meatus of the nasal cavity.
Anatomy[edit | edit source]
The ethmoid bulla is a rounded, convex structure that forms part of the lateral wall of the middle meatus. It is situated superior to the ethmoid infundibulum and directly below the frontal sinus. The size of the ethmoid bulla can vary among individuals, but it is typically the largest air cell of the ethmoid bone.
Function[edit | edit source]
The ethmoid bulla plays a crucial role in the drainage of the frontal and anterior ethmoid sinuses. It also contributes to the overall structure and function of the nasal cavity, aiding in processes such as respiration and olfaction.
Clinical Significance[edit | edit source]
Due to its location and function, the ethmoid bulla can be involved in various pathological conditions. These include sinusitis, nasal polyps, and ethmoidal cellulitis. It can also be affected in cases of trauma or injury to the nasal cavity or sinuses.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD
