nasal valve


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Related to nasal valve: external nasal valve

na·sal valve

the variable aperture between the nasal septum and the caudal margin of the upper lateral nasal cartilage.

nasal valve

The site of greatest obstruction to airflow through the nasal passages. It extends from the bony cave near the piriform aperture into part of the cartilaginous vestibule of the nose. Synonym: internal nasal valve
See also: valve
References in periodicals archive ?
Three components of the nasal valve anatomy, including the lateral nasal wall, septum, and inferior turbinates, were evaluated by physicians during office visits.
The objective of the study was to observe if the dilation of the nasal valve with END interferes with nasal breathing, since it is postulated that there is a difference between the nasal structure morphology of the ethnicities.
In the study, Latera showed significant quality-of-life improvement through one year, using the NOSE score, for nasal obstruction patients with lateral cartilage weakness resulting in nasal valve collapse.
The nasal cavity CFD models indicated that the anterior nasal cavity stenoses of the 20 patients were all located in the nasal valve area with a mean cross-sectional area of 0.39 [+ or -]0.16 [cm.sup.2] (compared to 0.85 [+ or -] 0.2 [cm.sup.2] in the nasal valve area on the non-narrow side).
Effects of the Cottle's maneuver on the nasal valve as assessed by acoustic rhinometry.
The rhinoplasty outcomes evaluation form and the 10point visual analog scale for nasal valve obstruction are shown below.
(5,6) The stenting can be used for re-canalization post- Young's procedure and nasal valve preservation.
The reconstructive surgeon should care of external nasal valve while performing the reconstruction.
The laminar airflow gains turbulence (high-frequency velocity that fluctuates) while crossing the nasal valve region, resulting in more intensive contact with the nasal mucosa (9-13).
The diagnosis and treatment of nasal valve collapse.
* Type 1: presence of a unilateral crest within the valve area that does not impair nasal valve function.