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    GlossaryExclamation Mark Hairs

    short, broken hairs narrower at the base than the tip

    Exclamation mark hairs are short, broken hairs that are narrower at the base than at the tip, resembling an exclamation mark. They are often seen in conditions like alopecia areata, where the immune system attacks hair follicles, leading to hair loss. These hairs are a key diagnostic feature for dermatologists when identifying this type of hair loss.

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      learn Osteopontin

      signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

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      Alopecia Areata: Overview and Insights from January 2018

      research Alopecia Areata: Overview and Insights from January 2018

      290 citations , December 2017 in “Journal of The American Academy of Dermatology”
      Alopecia areata is an autoimmune condition causing hair loss, influenced by genetics, stress, and diet, and may be prevented by a high soy oil diet.
      Office Diagnosis of Hair Shaft Defects

      research Office Diagnosis of Hair Shaft Defects

      33 citations , March 2006 in “Seminars in cutaneous medicine and surgery”
      The document explains how to identify different hair problems using a microscope.
      Alopecia Areata: An Autoimmune Disease Causing Hair Loss

      research Alopecia Areata: An Autoimmune Disease Causing Hair Loss

      16 citations , April 2011 in “Recent Patents on Inflammation & Allergy Drug Discovery”
      Alopecia Areata is an autoimmune disease causing hair loss in patches, often starting before age 20, and while some cases recover on their own, treatments include topical corticosteroids, minoxidil, and promising new methods like IL-31 antibodies and 308-nm Excimer laser therapy.
      A Patient with Diffuse Hair Loss

      research A Patient with Diffuse Hair Loss

      January 2015 in “Indian Dermatology Online Journal”
      The patient's hair loss is most likely due to diffuse alopecia areata.

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