Nasal Foreign Body Anatomy
To better understand nose foreign body, it helps to understand the anatomy of the nose.
The structure of the upper one-third of the nose is bone, while the lower two-thirds are made of cartilage. The nasal septum is a thin layer of bone that separates one side of the nose from the other.
Examples of anatomy include:
- Chan TC, Ufberg J, Harrigan RA, Vilke GM. Nasal foreign body removal. J Emerg Med. 2004 May;26(4):441-5. 
- Navitsky RC, Beamsley A, McLaughlin S. Nasal positive-pressure technique for nasal foreign body removal in children. Am J Emerg Med. 2002 Mar;20(2):103-4.