Nose Curvature Nose Curvature; The structure located between the nostrils and separating the nasal cavity into two is called “septum”. Septum consists of bone and cartilage.One of the most common causes of nasal congestion is deformities in the septum.The curvature (deviation) of the septum, which should normally be thin and straight; it can make nasal … Continue reading Nose Curvature