Use quantity of before singular or plural things you can measure. Use number of before plural things you can measure. There are subtle differences between amount of, quantity of and number of. The term amount of is used for things you cannot measure (See non-countable nouns).ESS AND FEWER. Amount of should be used with a singular word, and number of should be used with a plural word. Similarly, less should be used before a singular word, and fewer should be used with a plural word. See the lesson Less and fewer.
A deviated septum occurs when your nasal septum â the thin wall that separates your right and left nasal passages â is displaced to one side. A deviated septum can be caused by: A condition present at birth. In some cases, a deviated septum occurs during fetal development and is apparent at birth.
Diseases of the nasal cavity include viral, bacterial and fungal infections, nasal cavity tumors, both benign and much more often malignant, as well as inflammations of the nasal mucosa. Many problems can affect the nose, including: 1  Deviated septum-a shifting of the wall that divides the nasal cavity into halves.ilia and mucus along the inside wall of the nasal cavity traps and removes dust and pathogens from the air as it flows through the nasal cavity. The cilia move the mucus down the nasal cavity to the pharynx, where it can be swallowed.