Which of the following bones do not contribute to the nasal septum?: (A) Sphenoid, (B) Lacrimal, (C) Palatine, (D) Ethmoid
Answer is B. The bony pa of Nasal septum is formed by: *Vomer *Perpendicular plate of ethmoid.however its margins receives contributions from nasal spine of frontal bone,the rostrum o the sphenoid,nasal crest of nasal,palatine and maxillary bones. REF.BDC vol 3 page no:241