书目名称 | The Middle Ear | 副标题 | The Role of Ventilat | 编辑 | Haruo Takahashi | 视频video | | 概述 | In this book, the physiology and pathophysilogy of the middle ear are clearly analyzed from the viewpoint of middle ear pressure regulation mechanisms | 图书封面 |  | 描述 | For the middle ear to maintain its most important function, sound con duction, its pressure always needs to be kept around atmospheric level. The eustachian tube has long been believed to be the only organ playing the important role of pressure regulation of the middle ear. However, several phenomena that cannot be explained solely by reference to eustachian tube function have gradually emerged. For instance, otitis media with effusion cannot always be produced experimentally by selectively eliminating the ventilatory function of the eustachian tube by excising the tensor veli pala tini muscle and the hamulus pterygoideus. Also, most cases of otitis media with effusion (OME) in children can heal in spite of persistently poor tubal function even in the convalescent stage. In recent decades, gas exchange in the middle ear, particularly through the mastoid mucosa, has gradually come to light as another ventilation or pressure-regulation system for the middle ear. Although numbers of studies have revealed important information about the physiology and patho physiology of this function, there have been only a few studies related to gas exchange that directly contributed to the field | 出版日期 | Book 2001 | 关键词 | Cholesteatoma; Ear surgery; Middle ear; ear; gas exchange; hearing; physiology; reconstruction; ventilation | 版次 | 1 | doi | https://doi.org/10.1007/978-4-431-68377-3 | isbn_softcover | 978-4-431-68379-7 | isbn_ebook | 978-4-431-68377-3 | copyright | Springer Japan 2001 |
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