Nasal valve is formed by all except:
Anterior nasal valve it is the narrowest pa of nose and is less well defined physiologically than anatomically. It is formed by the lower edge of the upper lateral cailages, the anterior end of the inferior turbinate and the adjacent septum. Ref. Dhingra 5/e, p 150.
Septum
Middle turbinate
Lower end of upper lateral cailage
Inferior turbinate
Nose and paranasal sinuses