<prompt> Which of the following bones do not contribute the nasal septum -SphenoidLacrimalPalatineEthmoid  <response>: Septum proper:- This forms the major portion of the nasal septum and consists of the osteocartilaginous framework which is covered by mucous membrane. Its constituents are :-i Osseous partThe vomerRostrum and crest of sphenoidNasal crest of maxillary bonePerpendicular plate of ethmoidNasal crest of nasal boneNasal spine of frontal boneNasal crest of palatine boneii Cartilaginous partSeptal Quadrilateral cartilage 