Ethmoid bulla: Difference between revisions
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Caption = Lateral wall of [[nasal cavity]]; the three [[nasal conchæ]] have been removed. (Bulla ethmoidalis is labeled at center top.) | |
Caption = Lateral wall of [[nasal cavity]]; the three [[turbinate|nasal conchæ]] have been removed. (Bulla ethmoidalis is labeled at center top.) | |
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Revision as of 18:12, 23 August 2006
| Ethmoid bulla | |
|---|---|
 Lateral wall of nasal cavity; the three nasal conchæ have been removed. (Bulla ethmoidalis is labeled at center top.) | |
| Details | |
| Identifiers | |
| Latin | bulla ethmoidalis |
| TA98 | A06.1.02.026 A02.1.07.015 |
| TA2 | 3150, 736 |
| FMA | 57487 |
| Anatomical terminology | |
On the lateral wall of the middle meatus is a curved fissure, the hiatus semilunaris, limited below by the edge of the uncinate process of the ethmoid and above by an elevation named the bulla ethmoidalis; the middle ethmoidal cells are contained within this bulla and open on or near to it.
The bulla ethmoidalis is caused by the bulging of the middle ethmoidal cells which open on or immediately above it, and the size of the bulla varies with that of its contained cells.
External links
- Anatomy photo:22:os-1115 at the SUNY Downstate Medical Center
- PMID 11771046 ("The bulla ethmoidalis: lamella or a true cell?")
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This article incorporates text in the public domain from page 195 of the 20th edition of Gray's Anatomy (1918)