A deviation of the partition between the nares that, when extreme, may interfere with nasal breathing.
Abnormal shift in position of any wall-like part that separates two chambers, most often referring to the nasal cavity. Deviated nasal septum is a common condition, causing symptoms of obstructed nasal passages, sinusitis, recur rent infection, nosebleeds, and difficulty in breathing. Treatment is by surgery.
A deformity of the septum, the structure that separates the nostrils and is composed of bone and cartilage covered by a layer of mucous membrane. A deviated septum is the condition in which a portion of this bone is crooked or curves to one side.
A nasal septum displaced to one side. It sometimes causes impaired air flow through a nostril.