NDLI: Pathophysiology of the Paranasal Sinuses

Content Provider	Scilit
Author	Drettner, B. Aust, R.
Copyright Year	1977
Description	Journal: Acta Oto-Laryngologica The maxillary ostium is narrower when the subject is recumbent than when sitting. The oxygen content in the sinus is related to the patency of the ostium and to some extent to its size. A 90% gas exchange in the sinus normally requires only 5 minutes. The exchange is faster during nasal than during oral breathing. The mucosa of the maxillary sinus has a relatively high blood flow. Oxygen absorption by the mucosa is normally perfusion limited. A considerable part of the absorbed oxygen is utilized directly by the mucosa and not taken up by the blood flow.
Related Links	http://www.tandfonline.com/doi/pdf/10.3109/00016487709128804
Ending Page	19
Page Count	4
Starting Page	16
ISSN	00016489
e-ISSN	16512251
DOI	10.3109/00016487709128804
Journal	Acta Oto-Laryngologica
Issue Number	1-6
Volume Number	83
Language	English
Publisher	Informa UK Limited
Publisher Date	1977-01-01
Access Restriction	Open
Subject Keyword	Journal: Acta Oto-Laryngologica Otorhinolaryngology
Content Type	Text
Subject	Otorhinolaryngology

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Pathophysiology of the Paranasal Sinuses