The document provides an overview of the anatomy and physiology of the ear and nose. It describes the three parts of the ear - external, middle, and inner - and details the structures within each part such as the pinna, external auditory meatus, eardrum, ossicles, and cochlea. It also describes the anatomy of the nose, including the nasal cavity, septum, turbinates, and paranasal sinuses. Key functions such as olfaction, filtration, humidification are also summarized.

1. ANATOMY and PHYSIOLOGY of ENT-ORGANS

15. NOSE and PARANASAL SINUSES