The document provides an overview of the anatomy of the nose and paranasal sinuses. It describes the development of the nose from the frontonasal process. It then details the external structures of the nose including the bones and cartilages. It discusses the internal structures including the walls, roof, and floor of the nasal cavities. It also summarizes the blood supply, nerve supply, lymphatic drainage and mucous membrane of the nose and paranasal sinuses. Finally, it provides details on each of the individual paranasal sinuses including their locations, relations to surrounding structures, and functions.