The document provides an overview of the anatomy of the nose and paranasal sinuses. It describes the external nose, nasal cavity, nasal septum, lateral walls of the nasal cavity, blood supply and nerve supply to the nose and nasal cavity. It then discusses the four paranasal sinuses - maxillary, frontal, sphenoidal and ethmoid sinuses - including their locations, openings and functions. It concludes with some clinical notes on examining the nose and sinuses and common conditions that may affect them.