| 释义 |
DictionarySeevalveexternal nasal valve
external nasal valvea valvelike fold formed by the lateral crus of the alar (i.e., lower lateral) cartilage and its associated external and vestibular soft tissue coverings; a common cause of nasal airway obstruction when the valve is incompetent and the alar rim collapses during inspiration.external nasal valveThe outermost opening of the nose (the alar rim).See also: valve |