Ethmoid bulla: Difference between revisions
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Otorhinolaryngology category |
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Latest revision as of 22:57, 12 December 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 middle nasal meatus[1][2]: 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[2]: 374 [3]).[2]: 377 It varies significantly based on the size of the underlying air cells.[4]
Structure
[edit]The ethmoid bulla is formed by is the largest and least variable of the middle ethmoidal air cells.[3] 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
[edit]The hiatus semilunaris is situated (sources differ) inferior[5][6][1]/anterior[2]: 374 to the ethmoid bulla. The maxillary sinus also opens below the bulla.[5][6]
Development
[edit]The ethmoid bulla begins to develop between 8 weeks and 12 weeks of gestation.[6]
References
[edit]- ^ a b Moore, Keith L.; Dalley, Arthur F.; Agur, Anne M. R. (2017). Essential Clinical Anatomy. Lippincott Williams & Wilkins. p. 967. ISBN 978-1496347213.
- ^ a b c d Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed.). Elsevier Australia. ISBN 978-0-7295-3752-0.
- ^ a b Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York. p. 612. ISBN 978-0-7020-7707-4. OCLC 1201341621.
{{cite book}}: CS1 maint: location missing publisher (link) - ^ Gray, Henry (1918). Gray's Anatomy (20th ed.). 995. p. 1139.
{{cite book}}: CS1 maint: location (link) CS1 maint: location missing publisher (link) - ^ a b Gray, Henry; Lewis, Warren H. (1918). Anatomy of the nose of the Human Body (20th ed.). 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. PMID 9039492.
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