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What is True about external nose ? and explain in detail?
Ans. is'd' i.e., Two nasal bones External nose has an osteocailaginous framework of which upper one - third is bony and lower two-third is cailaginous. Bony pa :- Consists of two nasal bones. Cailagenous pa :- Consists of two upper lateral cailages, two lower lateral cailages, two or more lessar alar (or sesmoid) cailages and a septal cailage. So, there are 3 paired and 1 unpaired cailages.