Ethmoid bulla: Difference between revisions
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|Latin=bulla ethmoidalis}} |
|Latin=bulla ethmoidalis}} |
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The '''ethmoid bulla''' (or '''ethmoidal bulla''') is |
The '''ethmoid bulla''' (or '''ethmoidal bulla''') is a rounded elevation upon the lateral wall of the [[nasal cavity]] inferior to the [[middle nasal concha]] produced by one or more of the underlying middle [[ethmoidal cells|ethmoidal air cells]] (which open into the nasal cavity upon or above the ethmoidal bulla'''<ref name=":022" />'''{{Rp|page=374}}).'''<ref name=":022">{{Cite book |last=Sinnatamby |first=Chummy S. |title=Last's Anatomy |vauthors= |publisher= |year=2011 |isbn=978-0-7295-3752-0 |edition=12th |pages=}}</ref>'''{{Rp|page=377}} It varies significantly based on the size of the underlying air cells.{{Citation needed|date=June 2023}} |
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== Structure == |
== Structure == |
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=== Relations === |
=== Relations === |
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The [[hiatus semilunaris]] is situated |
The [[hiatus semilunaris]] is situated (sources differ) inferior<ref name=":0">{{Cite book |last=Gray |first=Henry |title=Anatomy of the nose of the Human Body (20th Edition) |last2=Lewis |first2=Warren H. |year=1918 |pages=195}}</ref><ref name=":1" /><ref name="Moore-20112">{{cite book |last1=Moore |first1=Keith L. |title=Essential Clinical Anatomy |last2=Dalley |first2=Arthur F. |last3=Agur |first3=Anne M. R. |publisher=Lippincott Williams & Wilkins |year=2017 |isbn=978-1496347213 |page= |pages=967}}</ref>/anterior'''<ref name=":022" />{{Rp|page=374}}''' to the ethmoid bulla. The [[maxillary sinus]] also opens below the bulla.<ref name=":0" /><ref name=":1">{{Cite journal|last=Wang|first=Rong-Guang|last2=Jiang|first2=Si-Chang|date=1997-01-01|title=The Embryonic Development of the Human Ethmoid Labyrinth from 8-40 Weeks|url=https://doi.org/10.3109/00016489709118002|journal=Acta Oto-Laryngologica|volume=117|issue=1|pages=118–122|doi=10.3109/00016489709118002|issn=0001-6489}}</ref> |
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=== Development === |
=== Development === |
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Revision as of 11:56, 12 June 2023
| Ethmoid bulla | |
|---|---|
| Details | |
| Identifiers | |
| Latin | bulla ethmoidalis |
| TA98 | A06.1.02.026 A02.1.07.015 |
| TA2 | 3150, 736 |
| FMA | 57487 |
| Anatomical terminology | |
The ethmoid bulla (or ethmoidal bulla) is a rounded elevation upon the lateral wall of the 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 above the ethmoidal bulla[1]: 374 ).[1]: 377 It varies significantly based on the size of the underlying air cells.[citation needed]
Structure
It is the largest among the middle ethmoidal cells. The size of the bulla varies with that of its contained cells. The bulla may be a pneumatised cell or a bony prominence found in middle meatus.[citation needed]
Relations
The hiatus semilunaris is situated (sources differ) inferior[2][3][4]/anterior[1]: 374 to the ethmoid bulla. The maxillary sinus also opens below the bulla.[2][3]
Development
The ethmoid bulla begins to develop between 8 weeks and 12 weeks of gestation.[3]
References
- ^ a b c Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). ISBN 978-0-7295-3752-0.
- ^ a b Gray, Henry; Lewis, Warren H. (1918). Anatomy of the nose of the Human Body (20th Edition). p. 195.
- ^ a b c Wang, Rong-Guang; Jiang, Si-Chang (1997-01-01). "The Embryonic Development of the Human Ethmoid Labyrinth from 8-40 Weeks". Acta Oto-Laryngologica. 117 (1): 118–122. doi:10.3109/00016489709118002. ISSN 0001-6489.
- ^ Moore, Keith L.; Dalley, Arthur F.; Agur, Anne M. R. (2017). Essential Clinical Anatomy. Lippincott Williams & Wilkins. p. 967. ISBN 978-1496347213.
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