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What is Angle between nasal septum and lower border of upper lateral cailage is ____ and explain in detail?
- Angle between the nasal septum and lower border of upper lateral cailage is generally > 10-15deg The internal nasal valve, in normal development, is thenarrowest poion of the nasal cavity and is bounded bythe septum medially, caudal edge of the upper lateral cailage and head of the inferior turbinate laterally and nasalfloor inferiorly. The apex of the internalnasal valve is approximately 10-15 degrees in Caucasiansand wider in non-Caucasian populations.