<prompt> Major contribution in the formation of nasal septum is by all except ?Septal cailageVomerEthmoidNasal bone  <response>: Ans. is d i.e., Nasal bone The medial wall, or nasal septum, is formed from anteiror to posterior by : 1 the septal cailage destroyed in a dried skull 2 the perpendicular plate of the ethmoid bone, and 3 the vomer . It is usually deted to one side. The vomer contributes to the inferior poion of the nasal septum; the perpendicular plate of the ethmoid bone contributes to the superior poion. 