True about external nose ?
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.
Upper 2/3 is bony
Lower 1/3 is cailaginous
Single lateral cailage
Two nasal bones