
Nasal cavity & Post nasal space Gunasekaran
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
Nasal cavity • The roof • Nasal septum • Lateral wall • Floor
Roof • Cribriform plate of ethmoid bone • Frontal bone • Sphenoid bone
Blood supply • Internal • External
Innervation Olfactory Parasympathetic Sympathetic Trigeminal Maxillary Naso ciliary
Lymphatic drainage Submandibular (level 3) Upper deep cervical(level 2)