The word "septum" refers to a dividing wall or partition that separates two areas or cavities within a structure. For example, the nasal septum in the human body separates the left and right nostrils. Full definition
Rats show that septal calcification may cause deviated septum which may prevent the functional growth of the maxilla by reducing nasal breathing34. (drstevenlin.com)
I feel in a good place now, that I'm free to express my inner sass and introduce my new septum piercing which was a complete whim. (krystelcouture.com)
Correction of a deviated nasal septum is considered cosmetic surgery unless it results from a covered Injury or covered Sickness; (sevencorners.com)