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Otorhinolaryngology, Head and Neck Surgery pp 3–32Cite as

Basics

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Part of the book series: European Manual of Medicine ((EUROMANUAL))

Abstract

The external ear includes the auricle and the external auditory canal (Fig. 1.1.1):

• The shape of the auricle is quite complex and is determined by the shape of the aural cartilage.

• The external auditory canal (meatus) measures approximately 2.5 cm in length and is about 9 mm high by 6.5 mm wide. The lateral third consists of the elastic cartilage of the auricle (Fig. 1.1.1). Superiorly the cartilage is lacking between the tragus and the helical crus. This incisura terminalis is used by the surgeon when making an extracartilaginous endaural incision (see Sect. 1.4.6.8) without cutting into the cartilage. The fissures of Santorini in the cartilage of the external auditory canal (Fig. 1.1.1) are a potential route for the spreading of infection to the infratemporal fossa and skull base. The medial third of the external auditory canal is osseous (Fig. 1.1.1).

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References

References of Section 1.1.1

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Author information

Authors and Affiliations

  1. Department of Ophthalmology and Otorhinolaryngology, Faculty of Medicine, University of Bari, 70214, Bari, Italy

    Salvatore Iurato

  2. Klinikum rechts der Isar, Department of Oto-Rhino-Laryngology, Technische Universität München, Ismaningerstraße 22, 81675, Munich, Germany

    Wolfgang Arnold

  3. Klinikum rechts der Isar, Abt. Radiologie, Technische Universität München, Ismaningerstraße 22, 81675, Munich, Germany

    Martin Dobritz

Authors
  1. Salvatore Iurato
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  2. Wolfgang Arnold
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  3. Martin Dobritz
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Editor information

Editors and Affiliations

  1. Department of ORL-HNS Uppsala, University Hospital (Akademiska sjukhuset), 751 85, Uppsala, Sweden

    Matti Anniko

  2. Department of Otorhinolaryngology, Hospital Clinic Universitari, calle Villarroel, 170, Esc. 8, 2A, 08036, Barcelona, Spain

    Manuel Bernal-Sprekelsen

  3. Department of Otorhinolaryngology and Head & Neck Surgery, Klinikum Nürnberg, Prof.-Ernst-Nathan-Straße 1, 90340, Nürnberg, Germany

    Viktor Bonkowsky

  4. Department ORL-HNS, Nottingham University Hospitals, Queens Medical Centre Campus, NG7 2UH, Nottingham, UK

    Patrick J. Bradley

  5. Department of Ophthalmology and Otorhinolaryngology, Faculty of Medicine, University of Bari, 70214, Bari, Italy

    Salvatore Iurato

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Iurato, S., Arnold, W., Dobritz, M. (2010). Basics. In: Anniko, M., Bernal-Sprekelsen, M., Bonkowsky, V., Bradley, P., Iurato, S. (eds) Otorhinolaryngology, Head and Neck Surgery. European Manual of Medicine. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68940-9_1

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  • DOI: https://doi.org/10.1007/978-3-540-68940-9_1

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-42940-1

  • Online ISBN: 978-3-540-68940-9

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