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    Glossaryhorizontal sectioning

    technique cutting tissue samples parallel to surface for examination

    Horizontal sectioning refers to a technique used in histology and dermatology where tissue samples, such as skin or hair follicles, are cut parallel to the surface. This method allows for a detailed examination of the structures within the tissue, such as hair follicles, sebaceous glands, and other skin components, providing a comprehensive view of their arrangement and condition. It is particularly useful in diagnosing conditions like alopecia, as it helps in assessing the density and health of hair follicles.

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      learn Microneedling

      technique to create small wounds in skin to activate collagen production and hair growth

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      The Transverse Anatomy of Androgenic Alopecia

      research The Transverse Anatomy of Androgenic Alopecia

      42 citations, December 1990 in “The Journal of Dermatologic Surgery and Oncology”
      The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.

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      community Where to Begin with Microneedling?

      in Treatment  17 upvotes 1 year ago
      User is considering microneedling to enhance hair regrowth after limited response to minoxidil and better results with finasteride and ketoconazole shampoo. Recommendations include using a 1.5mm derma roller once a week, avoiding minoxidil on microneedling days, and disinfecting the roller with isopropyl alcohol.

      community could Tretinoin alone cause regrowth?

      in Treatment  7 upvotes 1 year ago
      The user has maintained their hairline with finasteride for 5 years and saw no results from minoxidil. They are inquiring if tretinoin alone can cause hair regrowth.