1. CSD 2230 HUMAN COMMUNICATION DISORDERS Topic 3 Introductory Anatomy and Physiology of the Speech, Voice and Auditory System The Auditory System

2. The Hearing System Basic schematic diagram of the entire auditory system

3. The Outer Ear Major Landmarks: 1. Pinna 1. CD ROM Ch.05.04 2. External Auditory Meatus 3. Tympanic Membrane 1. CD ROM Ch.05.05

4. Function of the Outer Ear 1. Collect and funnel sound to the eardrum 2. Protection 3. Resonance

5. The Middle Ear Major Landmarks: 1. Middle Ear Space 2. Eustachian Tube 3. Mastoid 4. Oval and Round Windows 5. Ossicles 1. CD ROM Ch 05.06

6. Function of the Middle Ear 1. Amplifier and transformer 2. Protection

7. The Inner Ear Major Landmarks: 1. Bony Labyrinth 2. Membranous Labyrinth 3. Auditory and Vestibular Portions 4. Cochlea

8. The Organ of Corti

9. Central Auditory Pathways

10. Putting It All Together….