PPT-EAR THE ORGAN OF HEARING

INTRODUCTION The ear is the organ for collection conduction modification amplification and analysis of sound reaching it It not only receives sound but also aids in balance and body position. Suffer from Hearing Loss!. . That is over 4 times . the amount of people living in New York City!. Over 18 million Americans who suffer from hearing loss are younger than 65. Over 5 million children and young adults under the age of 18 suffer from . Occupational Noise Exposure . 29 CFR 1910.95. Presented by Larry Sailer. Can You Hear Me Now?. HEARING SAFETY. Purpose:. In today’s program you’ll learn about your auditory system and how important it is to preserve your hearing through good safety practices.. Pinna. External Auditory Meatus (Ear Canal). Tympanic Membrane (Ear Drum). What are the ossicles?. The small bones of the ear.. Hammer (Malleus). Anvil (Incus). Stirrup (Stapes). Name the structures that make up the bony (osseous) labyrinth.. The ear consists of 3 different sections. 1. The External Ear. 2. The Middle Ear. - The Auditory . Ossicles. 3. The Inner Ear. . Anatomy of the Ear. Vestibulocochlear . nerve (VIII). EXTERNAL EAR. The three parts of the ear are the inner, outer, and middle ear. The outer and middle ear are involved with hearing. The inner ear functions in both hearing and equilibrium. Receptors for hearing and balance: . Suffer from Hearing Loss!. . That is over 4 times . the amount of people living in New York City!. Over 18 million Americans who suffer from hearing loss are younger than 65. Over 5 million children and young adults under the age of 18 suffer from . Anatomy. Inner ear consists of :. Bony Labyrinth: filled with a fluid called . perilymph, . consists of 3 parts:. The Vestibule. The Semicircular Canals: . 3 in number (Lateral, Posterior, Superior). Listeners . repeated target sentences presented in quiet from a loudspeaker at 0° azimuth. Responses were scored by an experimenter.. Peak pupil dilation during the post-stimulus wait period was used to evaluate listening effort (Figure 1. Tympanic Membrane. Eustachian Tube . Pinna. Auditory Nerve. Semicircular Canals. Malleus. (Hammer). Incus. (Anvil). Stapes. (Stirrup). Pinna. (also called the auricle) the visible part of the outer ear. It collects sound and directs it into the outer ear canal. Microsuction. Urgent ENT referral. Topical antibiotic drops. 2% acetic acid drops. Oral . abx. Case 1. A 10 year old presents to the GP. Discharge from left ear past 2 days. Itchy but not painful. Went swimming 1 week ago. o/e discharge at external auditory meatus. Ear canal inflamed, tympanic membrane intact. Tragus tender on palpation. Single most appropriate management?. Let’s test your hearing….. https://www.youtube.com/watch?v=G-88Vzj0AlA. Sense 2: Hearing (Audition). The loudness of a sound is determined by a waves amplitude. (height.). The . frequency. , . number of complete wavelengths that pass a point in a given time, determines the sounds pitch. MMHS. Advanced Biomedical Science. Hearing Attributes. The senses of . equilibrium. . and hearing . are provided by the . inner ear. , a receptor complex located . in the . temporal bone of the skull. . Conductive hearing lossA conductive hearing loss is causedby any condition or disease that impedes the conveyance of sound in its mechanical form through the middle ear cavity to the inner ear. A cond EAR frontal temporal bone LABYRINTH IN TEMPORAL BONE McMinn's Atlas p 57 otoliths hair cells in support cell epithelium STRUCTURE OF MACULA slide 96 gelatinous matrix loose connective tissue VESTIBULA