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2Parts of the earThe middle ear151which is where ear infections occur151is located between the eardrum and the inner ear Within the middle ear are three tiny bones called the malleus incus and stapes. EXAMINATION. and. TYPANOMETRY BASICS. . HEARING CONSERVATION. PROGRAM. 28 Jan 2013. Learning Objectives. Explain the purpose of . otoscopic. examination and . tympanometry. Describe the basic characteristics of a normal and an abnormal . Brandt RJ, Girard BT, Guerin SJ. Dartmouth-Hitchcock Medical Center. #783. Disclosures. The authors have no disclosures. Objectives. To . understand the basic anatomy and . embryologic . development of the temporal bone. Gh.Bébés. , H.MIZOUNI, E.MENIF. Radiology . departement. . La . Rabta. university hospital 1007 . Jebbari. Tunis. Tunisia.. MK 15. MAJOR AND MINOR TEMPORAL BONE ABNORMALITIES. INTRODUCTION. . In contrast to anatomical variants, congenital malformations (CM) – synonyms are abnormalities or . Ear wax (. cerumen. ) – yellowish waxy substance secreted in the ear canal . It protects the skin of the ear canal, assist in cleaning, lubrication and antibacterial effects. Excess . cerumen. can press against the eardrum or occlude (block) the external auditory canal or hearing aids, potentially hindering hearing.. Cerumen (Ear wax) is a naturally occurring product that provides some protection against common ear pathogens. They are normally extruded naturally from the ear canal. . Excessive built up in the ear canal can lead to potential pathological conditions. TYPANOMETRY BASICS. . HEARING CONSERVATION. PROGRAM. 28 Jan 2013. Learning Objectives. Explain the purpose of . otoscopic. examination and . tympanometry. Describe the basic characteristics of a normal and an abnormal . Cochlea. Auricle. Hammer. Auditory Canal. B. Eardrum. C. Anvil. E. ardrum. B. Cochlea. C. Stirrup. Hammer. B. Anvil. C. Stirrup. Hammer. B. . . Anvil. C. Stirrup. Hammer. B. Anvil. C. Stirrup. Otitis externa (OE) . also known as “swimmer’s ear”. either an inflammation or infection of the external auditory canal (EAC) or the auricle or sometimes both.. Usually due to bacterial infection of the skin of the ear canal . TECA200 Commerce St Williston VT 05495 802 863-2387 Fax 802 863-2348 wwwbevsvtcomEar DiseaseOtitis externaand media inflammation and infection of the external and middle ear canal can af 1How the Ear Worksand inner ear The outer ear the part you can see opens into the ear canal The eardrum tympanic membrane separatesthe ear canal from the middle ear The middle ear contains three ossic The ear is a sensitive organ of the human body. It is mainly concerned with detecting, transmitting and transducing sound. Maintaining a sense of balance is another important function performed by the human ear.. titis externa is a prevalent complaint in patients presented to small animal practices. This inflam-matory disease of the external ear canal and/or pinna can have an acute or chronic presentation. Se What is earwax? Earwax is a build - up of dead cells, hair, foreign material such as dust, and cerumen. Cerumen is the natural wax produced by glands in the ear. It forms a protective coating of the Otitis. . externa. -Inflammation . of . epithelium of the vertical . or horizontal ear canal or . both and surrounding structure. Otitis. media . -Inflammation . of tympanic cavity &membrane. Otitis.