True statement about the external nose is
Upper 2/3 is bony
Lower 1/3 is cailaginous
Single lateral cailage
Two nasal bones
External nose has an osteocailaginous framework of which upper one-third is bony and lower two-thirds is cailaginous. Bony pa- Consists of two nasal bones Cailaginous pa: - Consists of two upper lateral cailages, two lower lateral cailages, two or more lesser alar (or sesmoid) cailages anda septal cailage. So, there are 3 paired and 1 unpaired cailages. Ref: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 149
Nose and paranasal sinuses