1. Nasal cavity & Post nasal space Gunasekaran

2. Bony framework • Nasal bone • Frontal process of the maxilla • Nasal process of the frontal bone • Cartilaginousframework • Lower lateral (greater alar), right and left • Upper lateral (lateral nasal), right and left • Quadrilateral cartilage of the septum

5. Nasal cavity • The roof • Nasal septum • Lateral wall • Floor

6. Roof • Cribriform plate of ethmoid bone • Frontal bone • Sphenoid bone

7. Lateral wall

8. Hiatus

10. Blood supply • Internal • External

11. B.Supply- Med.wall

12. Innervation Olfactory Parasympathetic Sympathetic Trigeminal Maxillary Naso ciliary

13. Lymphatic drainage Submandibular (level 3) Upper deep cervical(level 2)

14. Post nasal space