The nasal septum is the bone and cartilage in the nose that separates the nasal cavity into the two nostrils. The cartilage is called the quadrangular cartilage and the bones comprising the septum include the maxillary crest, vomer, and the perpendicular plate of the ethmoid. DNS stands for deviated nasal septum, a condition where the nasal septum is not centered in the nose. Learn about the symptoms, causes, risks and treatment options for DNS at Medanta, a leading hospital in Gurugram. DNS Full Form in ENT and Medical Abbreviation In the context of ENT (Ear, Nose, and Throat), DNS stands for Deviated Nasal Septum. The medical abbreviation, DNS , refers to this condition, which is one of the most common causes of nasal obstruction. It can be congenital or acquired due to trauma or injury to the nose. DNS Full Form , What is the Full form of DNS ? by admin | Aug 30, 2022 | Medical Full Form | 0 comments The Full form of DNS is Deviated Nasal Septum. DNS is a physical disorder of the nose, involving a displacement of the nasal septum. Some displacement is common, affecting 80% of people, mostly without their knowledge.