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Pigmented Ethnic Skin and Imported Dermatoses pp 385–397Cite as

Disorders of the Scalp and Hair

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Abstract

Human hair my show different shapes: The hair shaft may be straight in Asians or curly in Negroid populations, in contrast to the straight and wavy hair of Caucasians. The short curly hair of black-skinned individuals grows slower and has a larger diameter than in whites. The hair shaft is rather irregular, often elliptically flattened; trichonodosis and trichoptilosis are often seen; and pair grouping occurs. The terminal follicles are large, partly curved, with a golf club-shaped bulb. Nevertheless, there are broad variations in number, size, and shape of the hair and the hair follicles between the different ethnics, tribes, and families. Some racial groups have clearly sparse beard and axillary hair; some others are more hypertrichotic.

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Author information

Authors and Affiliations

  1. Department of Dermatology and Venereology, Ain Shams University, Cairo, Egypt

    Marwa Abdallah

  2. The Free University of Berlin, Medical School Charité, Berlin, Germany

    Constantin E. Orfanos

Authors
  1. Marwa Abdallah
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  2. Constantin E. Orfanos
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Corresponding author

Correspondence to Constantin E. Orfanos .

Editor information

Editors and Affiliations

  1. The Free University of Berlin, Medical School Charité, Berlin, Germany

    Constantin E. Orfanos

  2. Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane, Dessau, Saxony-Anhalt, Germany

    Christos C. Zouboulis

  3. Department of Dermatology and Venereology, HELIOS Klinikum Krefeld, Krefeld, Nordrhein-Westfalen, Germany

    Chalid Assaf

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Abdallah, M., Orfanos, C.E. (2018). Disorders of the Scalp and Hair. In: Orfanos, C., Zouboulis, C., Assaf, C. (eds) Pigmented Ethnic Skin and Imported Dermatoses. Springer, Cham. https://doi.org/10.1007/978-3-319-69422-1_35

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  • DOI: https://doi.org/10.1007/978-3-319-69422-1_35

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  • Publisher Name: Springer, Cham

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  • Online ISBN: 978-3-319-69422-1

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