Cop The nasal cavity partment of Anatomy -Fudan University. Two halves by nasal septum Two parts 2 Boundary Divided by limen nasi ◆1- Nasal vestibule 9 2-Proper nasal cavity Boundaries Medial wall of nasal cavity Roof--cribriform plate of ethmoid Q Floor-hard& soft palate Q Medial wall-nasal septum ◆ Lateral wa Three nasal conchae Sup. mid. inf nasal conchae Three nasal meatuses Sup. mid. inf nasal meatuses Copy Right- Hongqi ZHANG-Departme Med wall of nasal cavity (nasal septumCopy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Two halves by nasal septum The nasal cavity Two parts: Boundary:Divided by limen nasi  1 - Nasal vestibule  2 - Proper nasal cavity Boundaries  Roof －cribriform plate of ethmoid  Floor －hard & soft palate  Medial wall －nasal septum  Lateral wall Three nasal conchae Sup.mid.& inf.nasal conchae Three nasal meatuses Sup.mid.& inf.nasal meatuses Med.wall of nasal cavity(nasal septum) Medial wall of nasal cavity 1 2